From 4242ff9626048942d72f0352c7f8a8edecdd6a08 Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Fri, 6 Dec 2024 23:28:34 -0500
Subject: [PATCH] Make traverse_preorder follow shadow roots (#34503)

* script: Ensure shadow-inclusve preorder traversals follow hosted shadow roots.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Handle unregistering element id/name values inside of a shadow root.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Merge shadow root tree iteration logic.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
---
 components/script/dom/element.rs              |    16 +-
 components/script/dom/node.rs                 |    11 +-
 components/script/dom/shadowroot.rs           |     7 -
 .../custom-elements/adopted-callback.html.ini |    42 -
 .../connected-callbacks.html.ini              |    24 -
 .../custom-element-registry/upgrade.html.ini  |     3 -
 .../disconnected-callbacks.html.ini           |    24 -
 ...define-upgrade-criteria.tentative.html.ini |     3 -
 .../event-listeners.window.js.ini             |     3 -
 .../shadow-dom/declarative/gethtml.html.ini   | 20712 +++++++++++++++-
 .../getinnerhtml.tentative.html.ini           |     1 -
 .../shadow-dom/input-element-list.html.ini    |     2 -
 .../meta/shadow-dom/input-type-radio.html.ini |     2 -
 .../leaktests/window-frames.html.ini          |     3 +
 .../window-named-properties-001.html.ini      |     3 +-
 15 files changed, 20733 insertions(+), 123 deletions(-)
 delete mode 100644 tests/wpt/meta/custom-elements/connected-callbacks.html.ini
 delete mode 100644 tests/wpt/meta/custom-elements/custom-element-registry/upgrade.html.ini
 delete mode 100644 tests/wpt/meta/shadow-dom/input-element-list.html.ini
 delete mode 100644 tests/wpt/meta/shadow-dom/input-type-radio.html.ini
 create mode 100644 tests/wpt/meta/shadow-dom/leaktests/window-frames.html.ini

diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index 88963521d71..75f8f4d4b20 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -492,7 +492,7 @@ impl Element {
             self.ScrollWidth(can_gc) > self.ClientWidth(can_gc)
     }
 
-    fn shadow_root(&self) -> Option<DomRoot<ShadowRoot>> {
+    pub(crate) fn shadow_root(&self) -> Option<DomRoot<ShadowRoot>> {
         self.rare_data()
             .as_ref()?
             .shadow_root
@@ -3632,19 +3632,21 @@ impl VirtualMethods for Element {
 
         let doc = document_from_node(self);
 
-        if let Some(ref shadow_root) = self.shadow_root() {
-            shadow_root.unbind_from_tree(context);
-        }
-
         let fullscreen = doc.GetFullscreenElement();
         if fullscreen.as_deref() == Some(self) {
             doc.exit_fullscreen(CanGc::note());
         }
         if let Some(ref value) = *self.id_attribute.borrow() {
-            doc.unregister_element_id(self, value.clone());
+            if let Some(ref shadow_root) = self.upcast::<Node>().containing_shadow_root() {
+                shadow_root.unregister_element_id(self, value.clone());
+            } else {
+                doc.unregister_element_id(self, value.clone());
+            }
         }
         if let Some(ref value) = self.name_attribute() {
-            doc.unregister_element_name(self, value.clone());
+            if self.upcast::<Node>().containing_shadow_root().is_none() {
+                doc.unregister_element_name(self, value.clone());
+            }
         }
         // This is used for layout optimization.
         doc.decrement_dom_count();
diff --git a/components/script/dom/node.rs b/components/script/dom/node.rs
index 04408a9248c..00501ea1718 100644
--- a/components/script/dom/node.rs
+++ b/components/script/dom/node.rs
@@ -1744,9 +1744,14 @@ impl Iterator for TreeIterator {
     fn next(&mut self) -> Option<DomRoot<Node>> {
         let current = self.current.take()?;
 
-        if !self.shadow_including {
-            if let Some(element) = current.downcast::<Element>() {
-                if element.is_shadow_host() {
+        // Handle a potential shadow root on the element
+        if let Some(element) = current.downcast::<Element>() {
+            if let Some(shadow_root) = element.shadow_root() {
+                if self.shadow_including {
+                    self.current = Some(DomRoot::from_ref(shadow_root.upcast::<Node>()));
+                    self.depth += 1;
+                    return Some(current);
+                } else {
                     return self.next_skipping_children_impl(current);
                 }
             }
diff --git a/components/script/dom/shadowroot.rs b/components/script/dom/shadowroot.rs
index 58fb42b57da..da918ec0f51 100644
--- a/components/script/dom/shadowroot.rs
+++ b/components/script/dom/shadowroot.rs
@@ -315,13 +315,6 @@ impl VirtualMethods for ShadowRoot {
             let document = document_from_node(self);
             document.unregister_shadow_root(self);
         }
-
-        let shadow_root = self.upcast::<Node>();
-        shadow_root.set_flag(NodeFlags::IS_CONNECTED, false);
-        for node in shadow_root.children() {
-            node.set_flag(NodeFlags::IS_CONNECTED, false);
-            node.unbind_from_tree(context);
-        }
     }
 }
 
diff --git a/tests/wpt/meta/custom-elements/adopted-callback.html.ini b/tests/wpt/meta/custom-elements/adopted-callback.html.ini
index e6783ac9315..77d8f6821de 100644
--- a/tests/wpt/meta/custom-elements/adopted-callback.html.ini
+++ b/tests/wpt/meta/custom-elements/adopted-callback.html.ini
@@ -1,82 +1,40 @@
 [adopted-callback.html]
-  [Inserting the shadow host of a custom element into the document of the template elements must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Moving the shadow host of a custom element from the owner document into the document of the template elements must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Moving the shadow host's shadow of a custom element from the owner document into the document of the template elements must enqueue and invoke adoptedCallback]
     expected: FAIL
 
   [Moving the <template>'s content of a custom element from the owner document into the document of the template elements must enqueue and invoke adoptedCallback]
     expected: FAIL
 
-  [Inserting the shadow host of a custom element into a new document must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Moving the shadow host of a custom element from the owner document into a new document must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Moving the shadow host's shadow of a custom element from the owner document into a new document must enqueue and invoke adoptedCallback]
     expected: FAIL
 
   [Moving the <template>'s content of a custom element from the owner document into a new document must enqueue and invoke adoptedCallback]
     expected: FAIL
 
-  [Inserting the shadow host of a custom element into a cloned document must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Moving the shadow host of a custom element from the owner document into a cloned document must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Moving the shadow host's shadow of a custom element from the owner document into a cloned document must enqueue and invoke adoptedCallback]
     expected: FAIL
 
   [Moving the <template>'s content of a custom element from the owner document into a cloned document must enqueue and invoke adoptedCallback]
     expected: FAIL
 
-  [Inserting the shadow host of a custom element into a document created by createHTMLDocument must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Moving the shadow host of a custom element from the owner document into a document created by createHTMLDocument must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Moving the shadow host's shadow of a custom element from the owner document into a document created by createHTMLDocument must enqueue and invoke adoptedCallback]
     expected: FAIL
 
   [Moving the <template>'s content of a custom element from the owner document into a document created by createHTMLDocument must enqueue and invoke adoptedCallback]
     expected: FAIL
 
-  [Inserting the shadow host of a custom element into an HTML document created by createDocument must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Moving the shadow host of a custom element from the owner document into an HTML document created by createDocument must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Moving the shadow host's shadow of a custom element from the owner document into an HTML document created by createDocument must enqueue and invoke adoptedCallback]
     expected: FAIL
 
   [Moving the <template>'s content of a custom element from the owner document into an HTML document created by createDocument must enqueue and invoke adoptedCallback]
     expected: FAIL
 
-  [Inserting the shadow host of a custom element into the document of an iframe must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Moving the shadow host of a custom element from the owner document into the document of an iframe must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Moving the shadow host's shadow of a custom element from the owner document into the document of an iframe must enqueue and invoke adoptedCallback]
     expected: FAIL
 
   [Moving the <template>'s content of a custom element from the owner document into the document of an iframe must enqueue and invoke adoptedCallback]
     expected: FAIL
 
-  [Inserting the shadow host of a custom element into an HTML document fetched by XHR must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Moving the shadow host of a custom element from the owner document into an HTML document fetched by XHR must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Moving the shadow host's shadow of a custom element from the owner document into an HTML document fetched by XHR must enqueue and invoke adoptedCallback]
     expected: FAIL
 
diff --git a/tests/wpt/meta/custom-elements/connected-callbacks.html.ini b/tests/wpt/meta/custom-elements/connected-callbacks.html.ini
deleted file mode 100644
index 923a953b6ef..00000000000
--- a/tests/wpt/meta/custom-elements/connected-callbacks.html.ini
+++ /dev/null
@@ -1,24 +0,0 @@
-[connected-callbacks.html]
-  [Inserting the shadow host of a custom element into the document must enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting the shadow host of a custom element into the document of the template elements must enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting the shadow host of a custom element into a new document must enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting the shadow host of a custom element into a cloned document must enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting the shadow host of a custom element into a document created by createHTMLDocument must enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting the shadow host of a custom element into an HTML document created by createDocument must enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting the shadow host of a custom element into the document of an iframe must enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting the shadow host of a custom element into an HTML document fetched by XHR must enqueue and invoke connectedCallback]
-    expected: FAIL
diff --git a/tests/wpt/meta/custom-elements/custom-element-registry/upgrade.html.ini b/tests/wpt/meta/custom-elements/custom-element-registry/upgrade.html.ini
deleted file mode 100644
index 21545b9e453..00000000000
--- a/tests/wpt/meta/custom-elements/custom-element-registry/upgrade.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[upgrade.html]
-  [Two elements as shadow-including descendants (and not descendants) of the upgraded node]
-    expected: FAIL
diff --git a/tests/wpt/meta/custom-elements/disconnected-callbacks.html.ini b/tests/wpt/meta/custom-elements/disconnected-callbacks.html.ini
index 72d19481226..fc81fd4a95e 100644
--- a/tests/wpt/meta/custom-elements/disconnected-callbacks.html.ini
+++ b/tests/wpt/meta/custom-elements/disconnected-callbacks.html.ini
@@ -1,48 +1,24 @@
 [disconnected-callbacks.html]
-  [Removing the shadow host of a custom element from athe document must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to the document must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
-  [Removing the shadow host of a custom element from athe document of the template elements must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to the document of the template elements must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
-  [Removing the shadow host of a custom element from aa new document must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to a new document must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
-  [Removing the shadow host of a custom element from aa cloned document must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to a cloned document must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
-  [Removing the shadow host of a custom element from aa document created by createHTMLDocument must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to a document created by createHTMLDocument must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
-  [Removing the shadow host of a custom element from aan HTML document created by createDocument must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to an HTML document created by createDocument must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
-  [Removing the shadow host of a custom element from athe document of an iframe must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to the document of an iframe must not enqueue and invoke disconnectedCallback]
     expected: FAIL
 
-  [Removing the shadow host of a custom element from aan HTML document fetched by XHR must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [Removing a custom element from a detached shadow tree that belongs to an HTML document fetched by XHR must not enqueue and invoke disconnectedCallback]
     expected: FAIL
diff --git a/tests/wpt/meta/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html.ini b/tests/wpt/meta/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html.ini
index 6ed326aeb77..430c566a2aa 100644
--- a/tests/wpt/meta/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html.ini
+++ b/tests/wpt/meta/custom-elements/scoped-registry/scoped-registry-define-upgrade-criteria.tentative.html.ini
@@ -2,9 +2,6 @@
   [Adding definition to global registry should not affect shadow roots using scoped registry]
     expected: FAIL
 
-  [Adding definition to global registry should affect shadow roots also using global registry]
-    expected: FAIL
-
   [Adding definition to scoped registry should affect all associated shadow roots]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/event-listeners.window.js.ini b/tests/wpt/meta/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/event-listeners.window.js.ini
index 83898090cdc..a373f3385ed 100644
--- a/tests/wpt/meta/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/event-listeners.window.js.ini
+++ b/tests/wpt/meta/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/event-listeners.window.js.ini
@@ -13,6 +13,3 @@
 
   [Event listeners are to be removed with immediate effect]
     expected: FAIL
-
-  [Event listeners are to be removed from shadow trees as well]
-    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/gethtml.html.ini b/tests/wpt/meta/shadow-dom/declarative/gethtml.html.ini
index d86161570f0..50dd18897e6 100644
--- a/tests/wpt/meta/shadow-dom/declarative/gethtml.html.ini
+++ b/tests/wpt/meta/shadow-dom/declarative/gethtml.html.ini
@@ -1,2 +1,20712 @@
 [gethtml.html]
-  expected: TIMEOUT
+  [Element.getHTML() on <a> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <a><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <a> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <a><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <abbr> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <abbr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <abbr> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <abbr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <address> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <address><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <address> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <address><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <area> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <area><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <area> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <area><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <article><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <aside><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <audio> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <audio><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <audio> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <audio><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <b> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <b><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <b> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <b><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <base> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <base><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <base> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <base><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <bdi> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <bdi><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <bdi> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <bdi><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <bdo> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <bdo><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <bdo> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <bdo><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <blockquote><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <body> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <body><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <body> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <body><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <br> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <br><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <br> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <br><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <button> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <button><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <button> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <button><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <canvas> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <canvas><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <canvas> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <canvas><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <caption> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <caption><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <caption> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <caption><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <cite> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <cite><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <cite> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <cite><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <code> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <code><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <code> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <code><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <col> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <col><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <col> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <col><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <colgroup> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <colgroup><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <colgroup> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <colgroup><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <data> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <data><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <data> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <data><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <datalist> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <datalist><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <datalist> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <datalist><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dd> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dd><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dd> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dd><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <del> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <del><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <del> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <del><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <details> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <details><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <details> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <details><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dfn> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dfn><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dfn> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dfn><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dialog> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dialog><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dialog> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dialog><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <div><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dl> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dl><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dl> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dl><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dt> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <dt><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dt> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <dt><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <em> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <em><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <em> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <em><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <embed> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <embed><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <embed> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <embed><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <fieldset> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <fieldset><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <fieldset> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <fieldset><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <figcaption> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <figcaption><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <figcaption> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <figcaption><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <figure> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <figure><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <figure> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <figure><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <footer><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <form> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <form><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <form> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <form><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h1><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h2><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h3><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h4><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h5><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <h6><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <head> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <head><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <head> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <head><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <header><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <hr> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <hr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <hr> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <hr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <html> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <html><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <html> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <html><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <i> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <i><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <i> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <i><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <iframe> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <iframe><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <iframe> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <iframe><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <img> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <img><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <img> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <img><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <input> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <input><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <input> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <input><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ins> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ins><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ins> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ins><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <kbd> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <kbd><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <kbd> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <kbd><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <label> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <label><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <label> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <label><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <legend> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <legend><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <legend> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <legend><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <li> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <li><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <li> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <li><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <link> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <link><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <link> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <link><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <main><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <map> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <map><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <map> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <map><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <mark> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <mark><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <mark> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <mark><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <menu> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <menu><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <menu> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <menu><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <meta> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <meta><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <meta> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <meta><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <meter> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <meter><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <meter> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <meter><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <nav><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <noscript> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <noscript><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <noscript> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <noscript><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <object> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <object><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <object> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <object><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ol> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ol><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ol> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ol><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <optgroup> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <optgroup><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <optgroup> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <optgroup><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <option> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <option><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <option> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <option><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <output> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <output><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <output> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <output><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <p><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <param> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <param><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <param> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <param><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <pre> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <pre><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <pre> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <pre><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <progress> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <progress><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <progress> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <progress><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <q> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <q><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <q> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <q><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <rp> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <rp><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <rp> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <rp><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <rt> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <rt><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <rt> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <rt><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ruby> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ruby><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ruby> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ruby><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <s> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <s><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <s> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <s><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <samp> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <samp><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <samp> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <samp><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <script> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <script><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <script> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <script><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <section><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <select> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <select><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <select> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <select><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <slot> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <slot><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <slot> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <slot><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <small> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <small><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <small> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <small><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <source> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <source><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <source> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <source><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with imperative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=false, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=false, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=open, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=undefined, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=false, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <span><span>light</span>, with declarative shadow, mode=closed, delegatesFocus=true, serializable=true, clonable=true, without shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <strong> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <strong><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <strong> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <strong><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <style> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <style><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <style> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <style><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <sub> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <sub><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <sub> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <sub><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <sup> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <sup><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <sup> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <sup><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <summary> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <summary><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <summary> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <summary><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <table> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <table><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <table> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <table><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <tbody> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <tbody><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <tbody> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <tbody><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <td> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <td><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <td> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <td><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <template> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <template><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <template> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <template><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <textarea> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <textarea><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <textarea> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <textarea><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <tfoot> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <tfoot><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <tfoot> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <tfoot><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <th> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <th><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <th> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <th><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <thead> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <thead><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <thead> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <thead><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <time> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <time><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <time> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <time><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <title> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <title><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <title> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <title><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <tr> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <tr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <tr> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <tr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <track> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <track><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <track> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <track><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <u> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <u><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <u> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <u><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ul> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <ul><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ul> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <ul><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <var> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <var><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <var> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <var><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <video> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <video><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <video> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <video><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <wbr> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <wbr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <wbr> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <wbr><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <htmlunknown> with shadow tree contents.]
+    expected: FAIL
+
+  [Element.getHTML() on <htmlunknown><span>light</span> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <htmlunknown> with shadow tree contents.]
+    expected: FAIL
+
+  [ShadowRoot.getHTML() on <htmlunknown><span>light</span> with shadow tree contents.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/getinnerhtml.tentative.html.ini b/tests/wpt/meta/shadow-dom/declarative/getinnerhtml.tentative.html.ini
index 919a3857886..7f905c23d05 100644
--- a/tests/wpt/meta/shadow-dom/declarative/getinnerhtml.tentative.html.ini
+++ b/tests/wpt/meta/shadow-dom/declarative/getinnerhtml.tentative.html.ini
@@ -1,5 +1,4 @@
 [getinnerhtml.tentative.html]
-  expected: TIMEOUT
   [Element.getInnerHTML() on <a>]
     expected: FAIL
 
diff --git a/tests/wpt/meta/shadow-dom/input-element-list.html.ini b/tests/wpt/meta/shadow-dom/input-element-list.html.ini
deleted file mode 100644
index 0927b2ea416..00000000000
--- a/tests/wpt/meta/shadow-dom/input-element-list.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[input-element-list.html]
-  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/input-type-radio.html.ini b/tests/wpt/meta/shadow-dom/input-type-radio.html.ini
deleted file mode 100644
index 108195160c3..00000000000
--- a/tests/wpt/meta/shadow-dom/input-type-radio.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[input-type-radio.html]
-  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/leaktests/window-frames.html.ini b/tests/wpt/meta/shadow-dom/leaktests/window-frames.html.ini
new file mode 100644
index 00000000000..6762fab961b
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/leaktests/window-frames.html.ini
@@ -0,0 +1,3 @@
+[window-frames.html]
+  [window.frames should not leak frames in Shadow DOM.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/window-named-properties-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/window-named-properties-001.html.ini
index 50a3e66c295..b396982b8c7 100644
--- a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/window-named-properties-001.html.ini
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/window-named-properties-001.html.ini
@@ -1,2 +1,3 @@
 [window-named-properties-001.html]
-  expected: TIMEOUT
+  [An iframe element in a shadow tree should not be accessible from window's named properties with its "name" attribute value.]
+    expected: FAIL