diff --git a/tests/wpt/include.ini b/tests/wpt/include.ini
index cb951f65960..fe7cfb4d3ef 100644
--- a/tests/wpt/include.ini
+++ b/tests/wpt/include.ini
@@ -221,6 +221,8 @@ skip: true
   skip: false
 [selection]
   skip: false
+[shadow-dom]
+  skip: false
 [streams]
   skip: true
   [readable-streams]
diff --git a/tests/wpt/meta/__dir__.ini b/tests/wpt/meta/__dir__.ini
index 9b2752221fc..1061efabecf 100644
--- a/tests/wpt/meta/__dir__.ini
+++ b/tests/wpt/meta/__dir__.ini
@@ -1 +1 @@
-prefs: ["dom.imagebitmap.enabled:true", "dom.offscreen_canvas.enabled:true"]
+prefs: ["dom.imagebitmap.enabled:true", "dom.offscreen_canvas.enabled:true", "dom.shadowdom.enabled:true"]
diff --git a/tests/wpt/meta/css/css-animations/cancel-animation-shadow-slot-invalidation.html.ini b/tests/wpt/meta/css/css-animations/cancel-animation-shadow-slot-invalidation.html.ini
index 001271124aa..691bc0385f1 100644
--- a/tests/wpt/meta/css/css-animations/cancel-animation-shadow-slot-invalidation.html.ini
+++ b/tests/wpt/meta/css/css-animations/cancel-animation-shadow-slot-invalidation.html.ini
@@ -1,2 +1,2 @@
 [cancel-animation-shadow-slot-invalidation.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-cascade/layer-slotted-rule.html.ini b/tests/wpt/meta/css/css-cascade/layer-slotted-rule.html.ini
index 2b19f6fdf0e..4eb703de442 100644
--- a/tests/wpt/meta/css/css-cascade/layer-slotted-rule.html.ini
+++ b/tests/wpt/meta/css/css-cascade/layer-slotted-rule.html.ini
@@ -1,2 +1,2 @@
 [layer-slotted-rule.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-cascade/revert-layer-014.html.ini b/tests/wpt/meta/css/css-cascade/revert-layer-014.html.ini
index 3bd4bc7ec81..5a9f9a704fa 100644
--- a/tests/wpt/meta/css/css-cascade/revert-layer-014.html.ini
+++ b/tests/wpt/meta/css/css-cascade/revert-layer-014.html.ini
@@ -1,2 +1,2 @@
 [revert-layer-014.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-cascade/scope-shadow-sharing.html.ini b/tests/wpt/meta/css/css-cascade/scope-shadow-sharing.html.ini
index 7d09e3b651b..ba5f030033e 100644
--- a/tests/wpt/meta/css/css-cascade/scope-shadow-sharing.html.ini
+++ b/tests/wpt/meta/css/css-cascade/scope-shadow-sharing.html.ini
@@ -1,2 +1,2 @@
 [scope-shadow-sharing.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/css/css-content/quotes-slot-scoping.html.ini b/tests/wpt/meta/css/css-content/quotes-slot-scoping.html.ini
new file mode 100644
index 00000000000..7f62608409e
--- /dev/null
+++ b/tests/wpt/meta/css/css-content/quotes-slot-scoping.html.ini
@@ -0,0 +1,2 @@
+[quotes-slot-scoping.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-display/display-contents-shadow-dom-1.html.ini b/tests/wpt/meta/css/css-display/display-contents-shadow-dom-1.html.ini
index 405f40b8961..38b2543b2ca 100644
--- a/tests/wpt/meta/css/css-display/display-contents-shadow-dom-1.html.ini
+++ b/tests/wpt/meta/css/css-display/display-contents-shadow-dom-1.html.ini
@@ -1,2 +1,2 @@
 [display-contents-shadow-dom-1.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-lists/counter-list-item-slot-order.html.ini b/tests/wpt/meta/css/css-lists/counter-list-item-slot-order.html.ini
index 0275be6b338..641c85bc5e6 100644
--- a/tests/wpt/meta/css/css-lists/counter-list-item-slot-order.html.ini
+++ b/tests/wpt/meta/css/css-lists/counter-list-item-slot-order.html.ini
@@ -1,2 +1,2 @@
 [counter-list-item-slot-order.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-lists/counter-slot-order-scoping.html.ini b/tests/wpt/meta/css/css-lists/counter-slot-order-scoping.html.ini
index 9e06a8d2ccb..be6bf3ce595 100644
--- a/tests/wpt/meta/css/css-lists/counter-slot-order-scoping.html.ini
+++ b/tests/wpt/meta/css/css-lists/counter-slot-order-scoping.html.ini
@@ -1,2 +1,2 @@
 [counter-slot-order-scoping.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-lists/counter-slot-order.html.ini b/tests/wpt/meta/css/css-lists/counter-slot-order.html.ini
index 96ad6ce2679..0d273e984c6 100644
--- a/tests/wpt/meta/css/css-lists/counter-slot-order.html.ini
+++ b/tests/wpt/meta/css/css-lists/counter-slot-order.html.ini
@@ -1,2 +1,2 @@
 [counter-slot-order.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-pseudo/selection-universal-shadow-dom.html.ini b/tests/wpt/meta/css/css-pseudo/selection-universal-shadow-dom.html.ini
index 05dbc4d0d3c..33e1ccb830e 100644
--- a/tests/wpt/meta/css/css-pseudo/selection-universal-shadow-dom.html.ini
+++ b/tests/wpt/meta/css/css-pseudo/selection-universal-shadow-dom.html.ini
@@ -1,2 +1,3 @@
 [selection-universal-shadow-dom.html]
-  expected: ERROR
+  [getComputedStyle() for #target ::selection]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/css-text-decor/text-decoration-propagation-shadow.html.ini b/tests/wpt/meta/css/css-text-decor/text-decoration-propagation-shadow.html.ini
new file mode 100644
index 00000000000..6d7f865e2a2
--- /dev/null
+++ b/tests/wpt/meta/css/css-text-decor/text-decoration-propagation-shadow.html.ini
@@ -0,0 +1,2 @@
+[text-decoration-propagation-shadow.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-text/white-space/remove-slotted-with-whitespace-sibling.html.ini b/tests/wpt/meta/css/css-text/white-space/remove-slotted-with-whitespace-sibling.html.ini
index 9470360b861..b1aab92307e 100644
--- a/tests/wpt/meta/css/css-text/white-space/remove-slotted-with-whitespace-sibling.html.ini
+++ b/tests/wpt/meta/css/css-text/white-space/remove-slotted-with-whitespace-sibling.html.ini
@@ -1,2 +1,2 @@
 [remove-slotted-with-whitespace-sibling.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/css/css-transitions/shadow-root-insertion.html.ini b/tests/wpt/meta/css/css-transitions/shadow-root-insertion.html.ini
deleted file mode 100644
index bc9bbbcf84d..00000000000
--- a/tests/wpt/meta/css/css-transitions/shadow-root-insertion.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[shadow-root-insertion.html]
-  [addition of a shadow root should not cancel in-flight transitions]
-    expected: FAIL
diff --git a/tests/wpt/meta/css/css-values/vh_not_refreshing_on_chrome.html.ini b/tests/wpt/meta/css/css-values/vh_not_refreshing_on_chrome.html.ini
new file mode 100644
index 00000000000..26435e28b09
--- /dev/null
+++ b/tests/wpt/meta/css/css-values/vh_not_refreshing_on_chrome.html.ini
@@ -0,0 +1,2 @@
+[vh_not_refreshing_on_chrome.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/css/cssom-view/checkVisibility.html.ini b/tests/wpt/meta/css/cssom-view/checkVisibility.html.ini
index 18ed07cad79..beb953175e0 100644
--- a/tests/wpt/meta/css/cssom-view/checkVisibility.html.ini
+++ b/tests/wpt/meta/css/cssom-view/checkVisibility.html.ini
@@ -1,5 +1,5 @@
 [checkVisibility.html]
-  expected: ERROR
+  expected: CRASH
   [checkVisibility on visibility:hidden element.]
     expected: FAIL
 
diff --git a/tests/wpt/meta/css/cssom-view/elementsFromPoint-shadowroot.html.ini b/tests/wpt/meta/css/cssom-view/elementsFromPoint-shadowroot.html.ini
index 815ad5a126e..afee4028a0f 100644
--- a/tests/wpt/meta/css/cssom-view/elementsFromPoint-shadowroot.html.ini
+++ b/tests/wpt/meta/css/cssom-view/elementsFromPoint-shadowroot.html.ini
@@ -1,2 +1,6 @@
 [elementsFromPoint-shadowroot.html]
-  expected: ERROR
+  [elementsFromPoint on the document root should not return elements in shadow trees]
+    expected: FAIL
+
+  [elementsFromPoint on a shadow root should include elements in that shadow tree]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/cssom/CSSStyleSheet-constructable.html.ini b/tests/wpt/meta/css/cssom/CSSStyleSheet-constructable.html.ini
index bc365827bf2..895b75dedf3 100644
--- a/tests/wpt/meta/css/cssom/CSSStyleSheet-constructable.html.ini
+++ b/tests/wpt/meta/css/cssom/CSSStyleSheet-constructable.html.ini
@@ -1,2 +1,96 @@
 [CSSStyleSheet-constructable.html]
-  expected: ERROR
+  [document.adoptedStyleSheets should initially have length 0.]
+    expected: FAIL
+
+  [new CSSStyleSheet produces empty CSSStyleSheet]
+    expected: FAIL
+
+  [title can be set in the CSSStyleSheet constructor]
+    expected: FAIL
+
+  [CSSStyleSheet.replace produces Promise<CSSStyleSheet>]
+    expected: FAIL
+
+  [Constructed style sheets can be applied on document]
+    expected: FAIL
+
+  [Constructed style sheets can be applied on shadow root]
+    expected: FAIL
+
+  [Re-attaching shadow host with adopted stylesheets work]
+    expected: FAIL
+
+  [Attaching a shadow root that already has adopted stylesheets work]
+    expected: FAIL
+
+  [Re-attaching shadow host and updating attributes work]
+    expected: FAIL
+
+  [Changes to constructed stylesheets through CSSOM is reflected]
+    expected: FAIL
+
+  [Constructed stylesheet can be used and modified in multiple TreeScopes]
+    expected: FAIL
+
+  [Stylesheets constructed on the main Document cannot be used in iframes]
+    expected: FAIL
+
+  [Stylesheet constructed on iframe cannot be used in the main Document]
+    expected: FAIL
+
+  [Adding non-constructed stylesheet to AdoptedStyleSheets is not allowed when the owner document of the stylesheet is in the same document tree as the AdoptedStyleSheets]
+    expected: FAIL
+
+  [Adding non-constructed stylesheet to AdoptedStyleSheets is not allowed when the owner document of the stylesheet and the AdoptedStyleSheets are in different document trees]
+    expected: FAIL
+
+  [CSSStyleSheet.replaceSync replaces stylesheet text synchronously]
+    expected: FAIL
+
+  [CSSStyleSheet.replaceSync correctly updates the style of its adopters synchronously]
+    expected: FAIL
+
+  [Adopted sheets are ordered after non-adopted sheets in the shadow root]
+    expected: FAIL
+
+  [Adopted sheets are ordered after non-adopted sheets in the document]
+    expected: FAIL
+
+  [Inserting an @import rule through insertRule on a constructed stylesheet throws an exception]
+    expected: FAIL
+
+  [CSSStyleSheet.replaceSync should not trigger any loads from @import rules]
+    expected: FAIL
+
+  [CSSStyleSheet.replace allows, but ignores, import rule inside]
+    expected: FAIL
+
+  [CSSStyleSheet.replace ignores @import rule but still loads other rules]
+    expected: FAIL
+
+  [CSSStyleSheet.replaceSync allows, but ignores, import rule inside]
+    expected: FAIL
+
+  [CSSStyleSheet.replace does not reject on failed imports]
+    expected: FAIL
+
+  [Cloning a shadow host will not clone shadow root, and also adoptedStyleSheets]
+    expected: FAIL
+
+  [Importing a shadow host will not copy shadow root, and also adoptedStyleSheets]
+    expected: FAIL
+
+  [Adopting a shadow host will empty adoptedStyleSheets if adopting to a different document]
+    expected: FAIL
+
+  [Adopting a shadow host's ancestor will empty adoptedStyleSheets if adopting to a different document]
+    expected: FAIL
+
+  [Forcing a style update after adding an adopted stylesheet on a disconnected shadow root should not crash.]
+    expected: FAIL
+
+  [Modifying an adopted stylesheet on a disconnected shadow root should not crash.]
+    expected: FAIL
+
+  [Constructing a sheet with the default base URL uses the constructor document's base URL for CSS rules]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/cssom/adoptedstylesheets-observablearray.html.ini b/tests/wpt/meta/css/cssom/adoptedstylesheets-observablearray.html.ini
index 4f496f3b4d8..3425edabdcf 100644
--- a/tests/wpt/meta/css/cssom/adoptedstylesheets-observablearray.html.ini
+++ b/tests/wpt/meta/css/cssom/adoptedstylesheets-observablearray.html.ini
@@ -1,5 +1,4 @@
 [adoptedstylesheets-observablearray.html]
-  expected: ERROR
   [document.adoptedStyleSheets should allow mutation in-place]
     expected: FAIL
 
diff --git a/tests/wpt/meta/css/cssom/getComputedStyle-detached-subtree.html.ini b/tests/wpt/meta/css/cssom/getComputedStyle-detached-subtree.html.ini
index 64ae954c49d..4e778a09a70 100644
--- a/tests/wpt/meta/css/cssom/getComputedStyle-detached-subtree.html.ini
+++ b/tests/wpt/meta/css/cssom/getComputedStyle-detached-subtree.html.ini
@@ -1,5 +1,4 @@
 [getComputedStyle-detached-subtree.html]
-  expected: ERROR
   [getComputedStyle returns no style for element in non-rendered iframe (display: none) from iframe's window]
     expected: FAIL
 
@@ -8,3 +7,12 @@
 
   [getComputedStyle returns no style for detached element]
     expected: FAIL
+
+  [getComputedStyle returns no style for element outside the flat tree]
+    expected: FAIL
+
+  [getComputedStyle returns no style for descendant outside the flat tree]
+    expected: FAIL
+
+  [getComputedStyle returns no style for shadow tree outside of flattened tree]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/cssom/insert-dir-rule-crash.html.ini b/tests/wpt/meta/css/cssom/insert-dir-rule-crash.html.ini
new file mode 100644
index 00000000000..fb88575a052
--- /dev/null
+++ b/tests/wpt/meta/css/cssom/insert-dir-rule-crash.html.ini
@@ -0,0 +1,2 @@
+[insert-dir-rule-crash.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/css/cssom/insert-dir-rule-in-iframe-crash.html.ini b/tests/wpt/meta/css/cssom/insert-dir-rule-in-iframe-crash.html.ini
new file mode 100644
index 00000000000..38f550a4d27
--- /dev/null
+++ b/tests/wpt/meta/css/cssom/insert-dir-rule-in-iframe-crash.html.ini
@@ -0,0 +1,2 @@
+[insert-dir-rule-in-iframe-crash.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/css/cssom/selectorText-modification-restyle-002.html.ini b/tests/wpt/meta/css/cssom/selectorText-modification-restyle-002.html.ini
index 695bb6f259d..f91a321b6ea 100644
--- a/tests/wpt/meta/css/cssom/selectorText-modification-restyle-002.html.ini
+++ b/tests/wpt/meta/css/cssom/selectorText-modification-restyle-002.html.ini
@@ -1,2 +1,6 @@
 [selectorText-modification-restyle-002.html]
-  expected: ERROR
+  [Check initial color.]
+    expected: FAIL
+
+  [Check that color changes correctly after shadow stylesheet selector and #container class is changed.]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/selectors/focus-visible-020.html.ini b/tests/wpt/meta/css/selectors/focus-visible-020.html.ini
index 321bd03002c..09f6ffa6058 100644
--- a/tests/wpt/meta/css/selectors/focus-visible-020.html.ini
+++ b/tests/wpt/meta/css/selectors/focus-visible-020.html.ini
@@ -1,2 +1,3 @@
 [focus-visible-020.html]
-  expected: ERROR
+  [:focus-visible doesn't match on ShadowRoot]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/selectors/focus-within-shadow-001.html.ini b/tests/wpt/meta/css/selectors/focus-within-shadow-001.html.ini
index 2959e7669e0..dd5cd13f188 100644
--- a/tests/wpt/meta/css/selectors/focus-within-shadow-001.html.ini
+++ b/tests/wpt/meta/css/selectors/focus-within-shadow-001.html.ini
@@ -1,2 +1,2 @@
 [focus-within-shadow-001.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/focus-within-shadow-002.html.ini b/tests/wpt/meta/css/selectors/focus-within-shadow-002.html.ini
index 30ca33ff38e..9cdf27b3a0b 100644
--- a/tests/wpt/meta/css/selectors/focus-within-shadow-002.html.ini
+++ b/tests/wpt/meta/css/selectors/focus-within-shadow-002.html.ini
@@ -1,2 +1,2 @@
 [focus-within-shadow-002.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/focus-within-shadow-003.html.ini b/tests/wpt/meta/css/selectors/focus-within-shadow-003.html.ini
index a6171ebf3a1..719aa5550ba 100644
--- a/tests/wpt/meta/css/selectors/focus-within-shadow-003.html.ini
+++ b/tests/wpt/meta/css/selectors/focus-within-shadow-003.html.ini
@@ -1,2 +1,2 @@
 [focus-within-shadow-003.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/focus-within-shadow-004.html.ini b/tests/wpt/meta/css/selectors/focus-within-shadow-004.html.ini
index 1e7c496360e..ce65b3672bd 100644
--- a/tests/wpt/meta/css/selectors/focus-within-shadow-004.html.ini
+++ b/tests/wpt/meta/css/selectors/focus-within-shadow-004.html.ini
@@ -1,2 +1,2 @@
 [focus-within-shadow-004.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/focus-within-shadow-005.html.ini b/tests/wpt/meta/css/selectors/focus-within-shadow-005.html.ini
index 585263b0ac8..6e6bb268a4b 100644
--- a/tests/wpt/meta/css/selectors/focus-within-shadow-005.html.ini
+++ b/tests/wpt/meta/css/selectors/focus-within-shadow-005.html.ini
@@ -1,2 +1,2 @@
 [focus-within-shadow-005.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/focus-within-shadow-006.html.ini b/tests/wpt/meta/css/selectors/focus-within-shadow-006.html.ini
index dcd9173bb94..3bc435fa254 100644
--- a/tests/wpt/meta/css/selectors/focus-within-shadow-006.html.ini
+++ b/tests/wpt/meta/css/selectors/focus-within-shadow-006.html.ini
@@ -1,2 +1,2 @@
 [focus-within-shadow-006.html]
-  expected: TIMEOUT
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/i18n/lang-pseudo-class-across-shadow-boundaries.html.ini b/tests/wpt/meta/css/selectors/i18n/lang-pseudo-class-across-shadow-boundaries.html.ini
index f2f324e2968..ea34cadc7ee 100644
--- a/tests/wpt/meta/css/selectors/i18n/lang-pseudo-class-across-shadow-boundaries.html.ini
+++ b/tests/wpt/meta/css/selectors/i18n/lang-pseudo-class-across-shadow-boundaries.html.ini
@@ -1,2 +1,2 @@
 [lang-pseudo-class-across-shadow-boundaries.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/invalidation/host-context-pseudo-class-in-has.html.ini b/tests/wpt/meta/css/selectors/invalidation/host-context-pseudo-class-in-has.html.ini
index b9fdb7253a3..bad4fa74e54 100644
--- a/tests/wpt/meta/css/selectors/invalidation/host-context-pseudo-class-in-has.html.ini
+++ b/tests/wpt/meta/css/selectors/invalidation/host-context-pseudo-class-in-has.html.ini
@@ -1,2 +1,18 @@
 [host-context-pseudo-class-in-has.html]
-  expected: ERROR
+  [Before adding 'a' to #host_parent: Check #subject1 color]
+    expected: FAIL
+
+  [Before adding 'a' to #host_parent: Check #subject2 color]
+    expected: FAIL
+
+  [After adding 'a' to #host_parent: Check #subject1 color]
+    expected: FAIL
+
+  [After adding 'a' to #host_parent: Check #subject2 color]
+    expected: FAIL
+
+  [After removing 'a' from #host_parent: Check #subject1 color]
+    expected: FAIL
+
+  [After removing 'a' from #host_parent: Check #subject2 color]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/selectors/invalidation/host-pseudo-class-in-has.html.ini b/tests/wpt/meta/css/selectors/invalidation/host-pseudo-class-in-has.html.ini
index 299f3de8b3a..f42d2f4afaa 100644
--- a/tests/wpt/meta/css/selectors/invalidation/host-pseudo-class-in-has.html.ini
+++ b/tests/wpt/meta/css/selectors/invalidation/host-pseudo-class-in-has.html.ini
@@ -1,2 +1,12 @@
 [host-pseudo-class-in-has.html]
-  expected: ERROR
+  [Before adding 'a' to #host: Check #subject1 color]
+    expected: FAIL
+
+  [Before adding 'a' to #host: Check #subject2 color]
+    expected: FAIL
+
+  [After adding 'a' to #host: Check #subject1 color]
+    expected: FAIL
+
+  [After adding 'a' to #host: Check #subject2 color]
+    expected: FAIL
diff --git a/tests/wpt/meta/css/selectors/is-where-shadow.html.ini b/tests/wpt/meta/css/selectors/is-where-shadow.html.ini
index c40b2d623ae..f92f34dac22 100644
--- a/tests/wpt/meta/css/selectors/is-where-shadow.html.ini
+++ b/tests/wpt/meta/css/selectors/is-where-shadow.html.ini
@@ -1,2 +1,2 @@
 [is-where-shadow.html]
-  expected: ERROR
+  expected: CRASH
diff --git a/tests/wpt/meta/css/selectors/scope-selector.html.ini b/tests/wpt/meta/css/selectors/scope-selector.html.ini
deleted file mode 100644
index 1686321d4c0..00000000000
--- a/tests/wpt/meta/css/selectors/scope-selector.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[scope-selector.html]
-  expected: ERROR
diff --git a/tests/wpt/meta/custom-elements/CustomElementRegistry.html.ini b/tests/wpt/meta/custom-elements/CustomElementRegistry.html.ini
index 7b862b2d71c..7b89879bb01 100644
--- a/tests/wpt/meta/custom-elements/CustomElementRegistry.html.ini
+++ b/tests/wpt/meta/custom-elements/CustomElementRegistry.html.ini
@@ -1,4 +1,5 @@
 [CustomElementRegistry.html]
+  expected: CRASH
   [customElements.define must upgrade elements in the shadow-including tree order]
     expected: FAIL
 
diff --git a/tests/wpt/meta/custom-elements/adopted-callback.html.ini b/tests/wpt/meta/custom-elements/adopted-callback.html.ini
index a0618c2b21c..e6783ac9315 100644
--- a/tests/wpt/meta/custom-elements/adopted-callback.html.ini
+++ b/tests/wpt/meta/custom-elements/adopted-callback.html.ini
@@ -1,7 +1,4 @@
 [adopted-callback.html]
-  [Inserting a custom element into a shadow tree in the document of the template elements must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
   [Inserting the shadow host of a custom element into the document of the template elements must enqueue and invoke adoptedCallback]
     expected: FAIL
 
@@ -14,12 +11,6 @@
   [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 a custom element into a detached shadow tree that belongs to the document of the template elements must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in a new document 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
 
@@ -32,12 +23,6 @@
   [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 a custom element into a detached shadow tree that belongs to a new document must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in a cloned 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
 
@@ -50,12 +35,6 @@
   [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 a custom element into a detached shadow tree that belongs to a cloned document must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in a document created by createHTMLDocument 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
 
@@ -68,12 +47,6 @@
   [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 a custom element into a detached shadow tree that belongs to a document created by createHTMLDocument must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in an HTML document created by createDocument 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
 
@@ -86,12 +59,6 @@
   [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 a custom element into a detached shadow tree that belongs to an HTML document created by createDocument must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in the document of an iframe 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
 
@@ -104,12 +71,6 @@
   [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 a custom element into a detached shadow tree that belongs to the document of an iframe must enqueue and invoke adoptedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in an HTML document fetched by XHR 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
 
@@ -121,6 +82,3 @@
 
   [Moving the <template>'s content of a custom element from the owner document into an HTML document fetched by XHR must enqueue and invoke adoptedCallback]
     expected: FAIL
-
-  [Inserting a custom element into a detached shadow tree that belongs to 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
index e46e1a3bffc..923a953b6ef 100644
--- a/tests/wpt/meta/custom-elements/connected-callbacks.html.ini
+++ b/tests/wpt/meta/custom-elements/connected-callbacks.html.ini
@@ -1,72 +1,24 @@
 [connected-callbacks.html]
-  [Inserting a custom element into a shadow tree in the document must enqueue and invoke connectedCallback]
-    expected: FAIL
-
   [Inserting the shadow host of a custom element into the document must enqueue and invoke connectedCallback]
     expected: FAIL
 
-  [Inserting a custom element into a detached shadow tree that belongs to the document must not enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in the document of the template elements 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 a custom element into a detached shadow tree that belongs to the document of the template elements must not enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in a new document 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 a custom element into a detached shadow tree that belongs to a new document must not enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in a cloned 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 a custom element into a detached shadow tree that belongs to a cloned document must not enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in a document created by createHTMLDocument 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 a custom element into a detached shadow tree that belongs to a document created by createHTMLDocument must not enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in an HTML document created by createDocument 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 a custom element into a detached shadow tree that belongs to an HTML document created by createDocument must not enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in the document of an iframe 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 a custom element into a detached shadow tree that belongs to the document of an iframe must not enqueue and invoke connectedCallback]
-    expected: FAIL
-
-  [Inserting a custom element into a shadow tree in an HTML document fetched by XHR 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
-
-  [Inserting a custom element into a detached shadow tree that belongs to an HTML document fetched by XHR must not 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
index 21545b9e453..78c1c9a2b99 100644
--- a/tests/wpt/meta/custom-elements/custom-element-registry/upgrade.html.ini
+++ b/tests/wpt/meta/custom-elements/custom-element-registry/upgrade.html.ini
@@ -1,3 +1,4 @@
 [upgrade.html]
+  expected: CRASH
   [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 9fd6be4b55c..72d19481226 100644
--- a/tests/wpt/meta/custom-elements/disconnected-callbacks.html.ini
+++ b/tests/wpt/meta/custom-elements/disconnected-callbacks.html.ini
@@ -1,70 +1,46 @@
 [disconnected-callbacks.html]
-  [Removing a custom element from a shadow tree in the document must enqueue and invoke disconnectedCallback]
-    expected: FAIL
-
   [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 a custom element from a shadow tree in the document of the template elements must 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 a custom element from a shadow tree in a new document must 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 a custom element from a shadow tree in a cloned document must 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 a custom element from a shadow tree in a document created by createHTMLDocument must 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 a custom element from a shadow tree in an HTML document created by createDocument must 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 a custom element from a shadow tree in the document of an iframe must 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 a custom element from a shadow tree in an HTML document fetched by XHR must 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
 
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 949cc771645..6ed326aeb77 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
@@ -34,6 +34,3 @@
 
   [Adding definition to scoped registry should not upgrade nodes in detached frames]
     expected: FAIL
-
-  [Adding definition to scoped registry should not upgrade nodes in closed windows]
-    expected: FAIL
diff --git a/tests/wpt/meta/dom/events/Event-dispatch-detached-input-and-change.html.ini b/tests/wpt/meta/dom/events/Event-dispatch-detached-input-and-change.html.ini
deleted file mode 100644
index 44dde000f46..00000000000
--- a/tests/wpt/meta/dom/events/Event-dispatch-detached-input-and-change.html.ini
+++ /dev/null
@@ -1,12 +0,0 @@
-[Event-dispatch-detached-input-and-change.html]
-  [attached to shadow dom checkbox should emit input and change events on click().]
-    expected: FAIL
-
-  [attached to shadow dom radio should emit input and change events on click().]
-    expected: FAIL
-
-  [attached to shadow dom checkbox should emit input and change events on dispatchEvent(new MouseEvent('click')).]
-    expected: FAIL
-
-  [attached to shadow dom radio should emit input and change events on dispatchEvent(new MouseEvent('click')).]
-    expected: FAIL
diff --git a/tests/wpt/meta/dom/events/event-global.html.ini b/tests/wpt/meta/dom/events/event-global.html.ini
index 884c2ec22f2..07a2207ce35 100644
--- a/tests/wpt/meta/dom/events/event-global.html.ini
+++ b/tests/wpt/meta/dom/events/event-global.html.ini
@@ -1,7 +1,4 @@
 [event-global.html]
-  [window.event is undefined if the target is in a shadow tree (event dispatched outside shadow tree)]
-    expected: FAIL
-
   [window.event is undefined if the target is in a shadow tree (event dispatched inside shadow tree)]
     expected: FAIL
 
diff --git a/tests/wpt/meta/dom/events/relatedTarget.window.js.ini b/tests/wpt/meta/dom/events/relatedTarget.window.js.ini
index ac13d9609ee..a3c80f7b7b6 100644
--- a/tests/wpt/meta/dom/events/relatedTarget.window.js.ini
+++ b/tests/wpt/meta/dom/events/relatedTarget.window.js.ini
@@ -1,2 +1,18 @@
 [relatedTarget.window.html]
-  expected: ERROR
+  [Reset if target pointed to a shadow tree]
+    expected: FAIL
+
+  [Retarget a shadow-tree relatedTarget]
+    expected: FAIL
+
+  [Reset if target pointed to a shadow tree pre-dispatch]
+    expected: FAIL
+
+  [Retarget a shadow-tree relatedTarget, part 2]
+    expected: FAIL
+
+  [Reset targets on early return]
+    expected: FAIL
+
+  [Reset targets before activation behavior]
+    expected: FAIL
diff --git a/tests/wpt/meta/dom/events/shadow-relatedTarget.html.ini b/tests/wpt/meta/dom/events/shadow-relatedTarget.html.ini
index 00cc470659f..130c85e361e 100644
--- a/tests/wpt/meta/dom/events/shadow-relatedTarget.html.ini
+++ b/tests/wpt/meta/dom/events/shadow-relatedTarget.html.ini
@@ -1,2 +1,6 @@
 [shadow-relatedTarget.html]
-  expected: ERROR
+  [relatedTarget should not leak at capturing phase, at window object.]
+    expected: FAIL
+
+  [relatedTarget should not leak at target.]
+    expected: FAIL
diff --git a/tests/wpt/meta/dom/idlharness.window.js.ini b/tests/wpt/meta/dom/idlharness.window.js.ini
index abec304c66f..40c94b08fcf 100644
--- a/tests/wpt/meta/dom/idlharness.window.js.ini
+++ b/tests/wpt/meta/dom/idlharness.window.js.ini
@@ -187,9 +187,6 @@
   [XPathResult interface: document.evaluate("//*", document.body) must inherit property "snapshotItem(unsigned long)" with the proper type]
     expected: FAIL
 
-  [Element interface: element must inherit property "attachShadow(ShadowRootInit)" with the proper type]
-    expected: FAIL
-
   [Element interface: element must inherit property "slot" with the proper type]
     expected: FAIL
 
@@ -682,16 +679,12 @@
   [Document interface: attribute fullscreen]
     expected: FAIL
 
-  [Document interface: operation exitFullscreen()]
-
   [Document interface: attribute fullscreenElement]
     expected: FAIL
 
   [ShadowRoot interface: attribute fullscreenElement]
     expected: FAIL
 
-  [Element interface: operation requestFullscreen(optional FullscreenOptions)]
-
   [Element interface: attribute onfullscreenchange]
     expected: FAIL
 
diff --git a/tests/wpt/meta/dom/nodes/Node-isConnected-shadow-dom.html.ini b/tests/wpt/meta/dom/nodes/Node-isConnected-shadow-dom.html.ini
deleted file mode 100644
index eb7dd717661..00000000000
--- a/tests/wpt/meta/dom/nodes/Node-isConnected-shadow-dom.html.ini
+++ /dev/null
@@ -1,7 +0,0 @@
-[Node-isConnected-shadow-dom.html]
-  [Node.isConnected in a open shadow tree]
-    expected: FAIL
-
-  [Node.isConnected in a closed shadow tree]
-    expected: FAIL
-
diff --git a/tests/wpt/meta/dom/nodes/adoption.window.js.ini b/tests/wpt/meta/dom/nodes/adoption.window.js.ini
index 5e1399de91e..c7e08cd7b75 100644
--- a/tests/wpt/meta/dom/nodes/adoption.window.js.ini
+++ b/tests/wpt/meta/dom/nodes/adoption.window.js.ini
@@ -10,6 +10,3 @@
 
   [appendChild() and ShadowRoot]
     expected: FAIL
-
-  [adoptNode() and ShadowRoot]
-    expected: FAIL
diff --git a/tests/wpt/meta/dom/nodes/remove-from-shadow-host-and-adopt-into-iframe.html.ini b/tests/wpt/meta/dom/nodes/remove-from-shadow-host-and-adopt-into-iframe.html.ini
deleted file mode 100644
index 8ab70585687..00000000000
--- a/tests/wpt/meta/dom/nodes/remove-from-shadow-host-and-adopt-into-iframe.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[remove-from-shadow-host-and-adopt-into-iframe.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/fetch/metadata/generated/element-img-environment-change.https.sub.html.ini b/tests/wpt/meta/fetch/metadata/generated/element-img-environment-change.https.sub.html.ini
index baa23304a24..72acbca145f 100644
--- a/tests/wpt/meta/fetch/metadata/generated/element-img-environment-change.https.sub.html.ini
+++ b/tests/wpt/meta/fetch/metadata/generated/element-img-environment-change.https.sub.html.ini
@@ -56,3 +56,6 @@
 
   [sec-fetch-user - no attributes]
     expected: NOTRUN
+
+  [sec-fetch-site - Same origin, no attributes]
+    expected: FAIL
diff --git a/tests/wpt/meta/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html.ini b/tests/wpt/meta/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html.ini
deleted file mode 100644
index 49cc2e16746..00000000000
--- a/tests/wpt/meta/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin-fragment.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[navigation-unload-same-origin-fragment.html]
-  [Tests that a fragment navigation in the unload handler will not block the initial navigation]
-    expected: FAIL
diff --git a/tests/wpt/meta/html/canvas/element/2d.text-outside-of-the-flat-tree.html.ini b/tests/wpt/meta/html/canvas/element/2d.text-outside-of-the-flat-tree.html.ini
index e4c366d067c..ef002111c84 100644
--- a/tests/wpt/meta/html/canvas/element/2d.text-outside-of-the-flat-tree.html.ini
+++ b/tests/wpt/meta/html/canvas/element/2d.text-outside-of-the-flat-tree.html.ini
@@ -1,2 +1,2 @@
 [2d.text-outside-of-the-flat-tree.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/canvas/element/manual/imagebitmap/createImageBitmap-transfer.html.ini b/tests/wpt/meta/html/canvas/element/manual/imagebitmap/createImageBitmap-transfer.html.ini
index 5d2657041d1..7e036a1c4e4 100644
--- a/tests/wpt/meta/html/canvas/element/manual/imagebitmap/createImageBitmap-transfer.html.ini
+++ b/tests/wpt/meta/html/canvas/element/manual/imagebitmap/createImageBitmap-transfer.html.ini
@@ -1,5 +1,5 @@
 [createImageBitmap-transfer.html]
-  expected: ERROR
+  expected: TIMEOUT
   [Transfer ImageBitmap created from a vector HTMLImageElement]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-auto-dynamic-changes.window.js.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-auto-dynamic-changes.window.js.ini
index 7fd48605477..66060b866c4 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-auto-dynamic-changes.window.js.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-auto-dynamic-changes.window.js.ini
@@ -1,4 +1,5 @@
 [dir-auto-dynamic-changes.window.html]
+  expected: CRASH
   [dynamic insertion of RTL text in a child element]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-01.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-01.html.ini
index cc76a05c1d8..bd6fd2b0e33 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-01.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-01.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-01.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-02.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-02.html.ini
index d83ab8db3b9..dd377d62db8 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-02.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-02.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-02.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-03.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-03.html.ini
index 341d054ebbc..26e6aa27f78 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-03.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-03.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-03.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-04.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-04.html.ini
index d34ae8710b2..33bd75634fc 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-04.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-04.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-04.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-05.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-05.html.ini
index c80d7307d57..efe96493579 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-05.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-05.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-05.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-06.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-06.html.ini
index 40d08e09e38..60c9a99ea1b 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-06.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-06.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-06.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-07.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-07.html.ini
index 8b118b20ad7..6f8ac74943b 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-07.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-07.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-07.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-08.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-08.html.ini
index 927891eb7e0..c96870d6fd6 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-08.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-08.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-08.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-09.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-09.html.ini
index 53ac23518f6..d79d8ff644b 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-09.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-09.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-09.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-10.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-10.html.ini
index 9e6f6f536c0..87bad4294ac 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-10.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-10.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-10.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-11.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-11.html.ini
index 69ea943cfa8..122163ab5e4 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-11.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-11.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-11.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-12.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-12.html.ini
index cb9af7df593..dfc1837aa06 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-12.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-12.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-12.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-31.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-31.html.ini
index 052af599162..698c82e7c61 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-31.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-31.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-31.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-35.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-35.html.ini
index 4b931e6b885..40d4430c54a 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-35.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-35.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-35.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-41.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-41.html.ini
index 75cf38f059b..d7d12becf31 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-41.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-41.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-41.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-42.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-42.html.ini
index 1a4b5035cc0..d7c05be42f0 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-42.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-shadow-42.html.ini
@@ -1,2 +1,2 @@
 [dir-shadow-42.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/dir-slots-directionality.html.ini b/tests/wpt/meta/html/dom/elements/global-attributes/dir-slots-directionality.html.ini
index f65d16935bf..856415a2a92 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/dir-slots-directionality.html.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/dir-slots-directionality.html.ini
@@ -1,4 +1,5 @@
 [dir-slots-directionality.html]
+  expected: CRASH
   [Slots: Directionality: dir=rtl on slot]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/dom/elements/global-attributes/lang-attribute-shadow.window.js.ini b/tests/wpt/meta/html/dom/elements/global-attributes/lang-attribute-shadow.window.js.ini
index d34520ef443..f87ed866b24 100644
--- a/tests/wpt/meta/html/dom/elements/global-attributes/lang-attribute-shadow.window.js.ini
+++ b/tests/wpt/meta/html/dom/elements/global-attributes/lang-attribute-shadow.window.js.ini
@@ -1,21 +1,3 @@
 [lang-attribute-shadow.window.html]
-  [lang only on slot]
-    expected: FAIL
-
-  [lang only on host]
-    expected: FAIL
-
-  [lang on host and slot]
-    expected: FAIL
-
-  [lang on host and slotted element]
-    expected: FAIL
-
-  [lang on host and slot and slotted element]
-    expected: FAIL
-
   [lang on slot inherits from shadow host]
     expected: FAIL
-
-  [lang on slot inherits from parent]
-    expected: FAIL
diff --git a/tests/wpt/meta/html/editing/editing-0/contenteditable/contentEditable-slotted-inherit.html.ini b/tests/wpt/meta/html/editing/editing-0/contenteditable/contentEditable-slotted-inherit.html.ini
index b4df2c8f1b3..0a668792c69 100644
--- a/tests/wpt/meta/html/editing/editing-0/contenteditable/contentEditable-slotted-inherit.html.ini
+++ b/tests/wpt/meta/html/editing/editing-0/contenteditable/contentEditable-slotted-inherit.html.ini
@@ -1,4 +1,5 @@
 [contentEditable-slotted-inherit.html]
+  expected: CRASH
   [Slotted child of contenteditable host should be editable - slot direct child of shadow root]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/interaction/focus/sequential-focus-navigation-and-the-tabindex-attribute/tabindex-getter.html.ini b/tests/wpt/meta/html/interaction/focus/sequential-focus-navigation-and-the-tabindex-attribute/tabindex-getter.html.ini
index 0b9f22d311c..00611f302aa 100644
--- a/tests/wpt/meta/html/interaction/focus/sequential-focus-navigation-and-the-tabindex-attribute/tabindex-getter.html.ini
+++ b/tests/wpt/meta/html/interaction/focus/sequential-focus-navigation-and-the-tabindex-attribute/tabindex-getter.html.ini
@@ -1,2 +1,360 @@
 [tabindex-getter.html]
-  expected: ERROR
+  [input.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [input.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [input.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [input.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [input[type='hidden'\].tabIndex should return 0 by default]
+    expected: FAIL
+
+  [input[type='hidden'\].tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [input[type='hidden'\].tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [input[type='hidden'\].tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [button.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [button.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [button.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [button.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [button[disabled\].tabIndex should return 0 by default]
+    expected: FAIL
+
+  [button[disabled\].tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [button[disabled\].tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [button[disabled\].tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [button[hidden\].tabIndex should return 0 by default]
+    expected: FAIL
+
+  [button[hidden\].tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [button[hidden\].tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [button[hidden\].tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [a.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [a.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [a.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [a.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [a[href\].tabIndex should return 0 by default]
+    expected: FAIL
+
+  [a[href\].tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [a[href\].tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [a[href\].tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [svg a.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [svg a.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [svg a.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [svg a.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [textarea.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [textarea.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [textarea.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [textarea.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [select.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [select.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [select.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [select.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [select[multiple\].tabIndex should return 0 by default]
+    expected: FAIL
+
+  [select[multiple\].tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [select[multiple\].tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [select[multiple\].tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [option.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [option.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [option.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [option.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [optgroup.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [optgroup.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [optgroup.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [optgroup.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [iframe.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [iframe.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [iframe.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [iframe.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [embed.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [embed.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [embed.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [embed.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [object.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [object.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [object.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [object.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [span.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [span.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [span.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [span.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [div.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [div.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [div.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [div.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [link#nohref.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [link#nohref.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [link#nohref.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [link#nohref.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [link[href\].tabIndex should return -1 by default]
+    expected: FAIL
+
+  [link[href\].tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [link[href\].tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [link[href\].tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [details.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [details.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [details.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [details.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [summary.tabIndex should return 0 by default]
+    expected: FAIL
+
+  [summary.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [summary.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [summary.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [summary#secondsummary.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [summary#secondsummary.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [summary#secondsummary.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [summary#secondsummary.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [#hostDelegatesFocus.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [#hostDelegatesFocus.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [#hostDelegatesFocus.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [#hostDelegatesFocus.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [#hostNonDelegatesFocus.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [#hostNonDelegatesFocus.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [#hostNonDelegatesFocus.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [#hostNonDelegatesFocus.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [div[contenteditable\].tabIndex should return -1 by default]
+    expected: FAIL
+
+  [div[contenteditable\].tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [div[contenteditable\].tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [div[contenteditable\].tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [#scrollable.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [#scrollable.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [#scrollable.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [#scrollable.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [fieldset.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [fieldset.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [fieldset.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [fieldset.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [output.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [output.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [output.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [output.tabIndex should return 1 when set to 1]
+    expected: FAIL
+
+  [slot.tabIndex should return -1 by default]
+    expected: FAIL
+
+  [slot.tabIndex should return -1 when set to -1]
+    expected: FAIL
+
+  [slot.tabIndex should return 0 when set to 0]
+    expected: FAIL
+
+  [slot.tabIndex should return 1 when set to 1]
+    expected: FAIL
diff --git a/tests/wpt/meta/html/rendering/bidi-rendering/slot-direction.window.js.ini b/tests/wpt/meta/html/rendering/bidi-rendering/slot-direction.window.js.ini
deleted file mode 100644
index 015d3267176..00000000000
--- a/tests/wpt/meta/html/rendering/bidi-rendering/slot-direction.window.js.ini
+++ /dev/null
@@ -1,18 +0,0 @@
-[slot-direction.window.html]
-  [<slot> element sets CSS direction property: <slot> inherits direction from parent]
-    expected: FAIL
-
-  [<slot> element sets CSS direction property: <slot> inherits CSS direction from parent]
-    expected: FAIL
-
-  [<slot> element sets CSS direction property: <slot dir=ltr>]
-    expected: FAIL
-
-  [<slot> element sets CSS direction property: <slot dir=rtl>]
-    expected: FAIL
-
-  [<slot> element sets CSS direction property: <slot dir=auto> resolving to LTR]
-    expected: FAIL
-
-  [<slot> element sets CSS direction property: <slot dir=auto> resolving to RTL]
-    expected: FAIL
diff --git a/tests/wpt/meta/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-in-slot.html.ini b/tests/wpt/meta/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-in-slot.html.ini
index 4ed1ce5159e..d4875571e44 100644
--- a/tests/wpt/meta/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-in-slot.html.ini
+++ b/tests/wpt/meta/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-in-slot.html.ini
@@ -1,2 +1,2 @@
 [legend-in-slot.html]
-  expected: FAIL
+  expected: CRASH
diff --git a/tests/wpt/meta/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/sticky-content-crash.html.ini b/tests/wpt/meta/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/sticky-content-crash.html.ini
new file mode 100644
index 00000000000..5897e02b025
--- /dev/null
+++ b/tests/wpt/meta/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/sticky-content-crash.html.ini
@@ -0,0 +1,2 @@
+[sticky-content-crash.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/html/semantics/document-metadata/the-meta-element/color-scheme/meta-color-scheme-single-value-in-shadow-tree.html.ini b/tests/wpt/meta/html/semantics/document-metadata/the-meta-element/color-scheme/meta-color-scheme-single-value-in-shadow-tree.html.ini
index 3502f22f24a..7042feace1d 100644
--- a/tests/wpt/meta/html/semantics/document-metadata/the-meta-element/color-scheme/meta-color-scheme-single-value-in-shadow-tree.html.ini
+++ b/tests/wpt/meta/html/semantics/document-metadata/the-meta-element/color-scheme/meta-color-scheme-single-value-in-shadow-tree.html.ini
@@ -1,2 +1,3 @@
 [meta-color-scheme-single-value-in-shadow-tree.html]
-  expected: ERROR
+  [Meta color-scheme in shadow tree does not apply.]
+    expected: FAIL
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html.ini
index b7743d8280f..5316effdce5 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-canvas-element/canvas-descendants-focusability-004.tentative.html.ini
@@ -1,2 +1,2 @@
 [canvas-descendants-focusability-004.tentative.html]
-  expected: ERROR
+  expected: TIMEOUT
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
index 1c4e58a8ba1..7da2bc5ac80 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
@@ -1,4 +1,4 @@
 [iframe_sandbox_popups_escaping-3.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: FAIL
+    expected: TIMEOUT
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index 96d866bf3cc..e8872b3585b 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,4 +1,4 @@
 [iframe_sandbox_popups_nonescaping-1.html]
   expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: FAIL
+    expected: NOTRUN
diff --git a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/sizes/sizes-dynamic-002.html.ini b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/sizes/sizes-dynamic-002.html.ini
index 66c6379adef..9fcc8481214 100644
--- a/tests/wpt/meta/html/semantics/embedded-content/the-img-element/sizes/sizes-dynamic-002.html.ini
+++ b/tests/wpt/meta/html/semantics/embedded-content/the-img-element/sizes/sizes-dynamic-002.html.ini
@@ -1,2 +1,2 @@
 [sizes-dynamic-002.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/meta/html/semantics/forms/the-input-element/radio-disconnected-group-owner.html.ini b/tests/wpt/meta/html/semantics/forms/the-input-element/radio-disconnected-group-owner.html.ini
index 225fb3f96e3..404eea105e2 100644
--- a/tests/wpt/meta/html/semantics/forms/the-input-element/radio-disconnected-group-owner.html.ini
+++ b/tests/wpt/meta/html/semantics/forms/the-input-element/radio-disconnected-group-owner.html.ini
@@ -1,4 +1,5 @@
 [radio-disconnected-group-owner.html]
+  expected: CRASH
   [Removed elements are moved into separate radio groups.]
     expected: FAIL
 
diff --git a/tests/wpt/meta/html/semantics/interactive-elements/the-dialog-element/showmodal-in-shadow-crash.html.ini b/tests/wpt/meta/html/semantics/interactive-elements/the-dialog-element/showmodal-in-shadow-crash.html.ini
new file mode 100644
index 00000000000..a98363d97c3
--- /dev/null
+++ b/tests/wpt/meta/html/semantics/interactive-elements/the-dialog-element/showmodal-in-shadow-crash.html.ini
@@ -0,0 +1,2 @@
+[showmodal-in-shadow-crash.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/meta/html/syntax/parsing/DOMContentLoaded-defer.html.ini
new file mode 100644
index 00000000000..b8bdf33cb65
--- /dev/null
+++ b/tests/wpt/meta/html/syntax/parsing/DOMContentLoaded-defer.html.ini
@@ -0,0 +1,3 @@
+[DOMContentLoaded-defer.html]
+  [The end: DOMContentLoaded and defer scripts]
+    expected: FAIL
diff --git a/tests/wpt/meta/resize-observer/calculate-depth-for-node.html.ini b/tests/wpt/meta/resize-observer/calculate-depth-for-node.html.ini
index 5a4a021662b..5fb84219874 100644
--- a/tests/wpt/meta/resize-observer/calculate-depth-for-node.html.ini
+++ b/tests/wpt/meta/resize-observer/calculate-depth-for-node.html.ini
@@ -1,3 +1,4 @@
 [calculate-depth-for-node.html]
+  expected: CRASH
   ["Calculate depth for node" algorithm with Shadow DOM]
     expected: FAIL
diff --git a/tests/wpt/meta/resize-observer/eventloop.html.ini b/tests/wpt/meta/resize-observer/eventloop.html.ini
index d86a2113ddb..620f249ce85 100644
--- a/tests/wpt/meta/resize-observer/eventloop.html.ini
+++ b/tests/wpt/meta/resize-observer/eventloop.html.ini
@@ -1,4 +1,3 @@
 [eventloop.html]
-  expected: TIMEOUT
-  [guard]
-    expected: NOTRUN
+  [test1: depths of shadow roots]
+    expected: FAIL
diff --git a/tests/wpt/meta/resource-timing/nested-context-navigations-iframe.html.ini b/tests/wpt/meta/resource-timing/nested-context-navigations-iframe.html.ini
index 2e666fd0eed..88a3714de9a 100644
--- a/tests/wpt/meta/resource-timing/nested-context-navigations-iframe.html.ini
+++ b/tests/wpt/meta/resource-timing/nested-context-navigations-iframe.html.ini
@@ -1,8 +1,5 @@
 [nested-context-navigations-iframe.html]
   expected: TIMEOUT
-  [Test that iframe navigations are not observable by the parent, even after history navigations by the parent]
-    expected: TIMEOUT
-
   [Test that crossorigin iframe navigations are not observable by the parent, even after history navigations by the parent]
     expected: NOTRUN
 
diff --git a/tests/wpt/meta/selection/crashtests/selection-modify-line-boundary-around-shadow.html.ini b/tests/wpt/meta/selection/crashtests/selection-modify-line-boundary-around-shadow.html.ini
deleted file mode 100644
index 1c8381ae567..00000000000
--- a/tests/wpt/meta/selection/crashtests/selection-modify-line-boundary-around-shadow.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[selection-modify-line-boundary-around-shadow.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/meta/selection/shadow-dom/tentative/Selection-getComposedRanges-dom-mutations-removal.html.ini b/tests/wpt/meta/selection/shadow-dom/tentative/Selection-getComposedRanges-dom-mutations-removal.html.ini
index f257677237d..0465cdf5000 100644
--- a/tests/wpt/meta/selection/shadow-dom/tentative/Selection-getComposedRanges-dom-mutations-removal.html.ini
+++ b/tests/wpt/meta/selection/shadow-dom/tentative/Selection-getComposedRanges-dom-mutations-removal.html.ini
@@ -1,4 +1,5 @@
 [Selection-getComposedRanges-dom-mutations-removal.html?mode=open]
+  expected: CRASH
   [Range is fully in shadow tree. Removing shadow host collapses composed StaticRange. Note it does not update previously returned composed StaticRange.]
     expected: FAIL
 
@@ -16,6 +17,7 @@
 
 
 [Selection-getComposedRanges-dom-mutations-removal.html?mode=closed]
+  expected: CRASH
   [Range is fully in shadow tree. Removing shadow host collapses composed StaticRange. Note it does not update previously returned composed StaticRange.]
     expected: FAIL
 
diff --git a/tests/wpt/meta/selection/shadow-dom/tentative/Selection-later-become-slotted-content.html.ini b/tests/wpt/meta/selection/shadow-dom/tentative/Selection-later-become-slotted-content.html.ini
index 56d8909ef26..e1fc94e4e61 100644
--- a/tests/wpt/meta/selection/shadow-dom/tentative/Selection-later-become-slotted-content.html.ini
+++ b/tests/wpt/meta/selection/shadow-dom/tentative/Selection-later-become-slotted-content.html.ini
@@ -1,3 +1,4 @@
 [Selection-later-become-slotted-content.html]
+  expected: CRASH
   [test to select a light DOM element and it becomes a slotted content after the selection]
     expected: FAIL
diff --git a/tests/wpt/meta/selection/textcontrols/selectionchange-on-shadow-dom.html.ini b/tests/wpt/meta/selection/textcontrols/selectionchange-on-shadow-dom.html.ini
index d2480558e0a..e13ee537f9f 100644
--- a/tests/wpt/meta/selection/textcontrols/selectionchange-on-shadow-dom.html.ini
+++ b/tests/wpt/meta/selection/textcontrols/selectionchange-on-shadow-dom.html.ini
@@ -1,2 +1,3 @@
 [selectionchange-on-shadow-dom.html]
-  expected: ERROR
+  [selectionchange event fired on a shadow dom bubble to the document]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Document-caretPositionFromPoint.tentative.html.ini b/tests/wpt/meta/shadow-dom/Document-caretPositionFromPoint.tentative.html.ini
new file mode 100644
index 00000000000..1cf076481a9
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Document-caretPositionFromPoint.tentative.html.ini
@@ -0,0 +1,36 @@
+[Document-caretPositionFromPoint.tentative.html]
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to an input element which is the offsetNode.]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to a textarea element which is the offsetNode.]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to a closed shadaw tree when the shadow tree is specified as an argument]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location when the non-intersecting shadow tree is specified as an argument]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to an input element when the shadow tree is specified as an argument.]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to the input element's shadow host's parent when the shadow tree is not specified as an argument.]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to the shadow host's parent when the shadow tree is not specified as an argument]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to the outer shadow host's parent when the point is in an inner shadow tree and no shadow tree is specified as an argument]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to the inner shadow tree when the point is in an inner shadow tree and the inner shadow tree is specified as an argument]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to the outer shadow tree when the point is in an inner shadow tree and the outer shadow tree is specified as an argument]
+    expected: FAIL
+
+  [document.caretPositionFromPoint() should return a CaretPosition at the specified location pointing to the inner shadow tree when the point is in an inner shadow tree and the inner shadow tree and the outer shadow tree are specified as an argument]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Document-prototype-currentScript.html.ini b/tests/wpt/meta/shadow-dom/Document-prototype-currentScript.html.ini
new file mode 100644
index 00000000000..2d3f25d0767
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Document-prototype-currentScript.html.ini
@@ -0,0 +1,13 @@
+[Document-prototype-currentScript.html]
+  expected: TIMEOUT
+  [document.currentScript must not be set to a script element that loads an external script in an open shadow tree]
+    expected: TIMEOUT
+
+  [document.currentScript must not be set to a script element that loads an external script in a closed shadow tree]
+    expected: NOTRUN
+
+  [document.currentScript must be set to a script element that loads an external script that was in an open shadow tree and then removed]
+    expected: NOTRUN
+
+  [document.currentScript must be set to a script element that loads an external script that was in a closed shadow tree and then removed]
+    expected: NOTRUN
diff --git a/tests/wpt/meta/shadow-dom/DocumentOrShadowRoot-prototype-elementFromPoint.html.ini b/tests/wpt/meta/shadow-dom/DocumentOrShadowRoot-prototype-elementFromPoint.html.ini
new file mode 100644
index 00000000000..6768ee2f80c
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/DocumentOrShadowRoot-prototype-elementFromPoint.html.ini
@@ -0,0 +1,123 @@
+[DocumentOrShadowRoot-prototype-elementFromPoint.html]
+  [document.elementFromPoint and shadow.ElementFromPoint must return the shadow host of the hit-tested text node when the hit-tested text node is a direct child of the root and the host has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint and shadow.ElementFromPoint must return the shadow host of the hit-tested text node when the hit-tested text node is a direct child of the root and the host has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint and shadow.ElementFromPoint must return the shadow host of the hit-tested text node when the hit-tested text node is a direct child of the root and the host has display: inline-block]
+    expected: FAIL
+
+  [document.elementFromPoint and shadowRoot.elementFromPoint must return the shadow host when the hit-tested text node is assigned to a slot and the host has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint and shadowRoot.elementFromPoint must return the shadow host when the hit-tested text node is assigned to a slot and the host has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint and shadowRoot.elementFromPoint must return the shadow host when the hit-tested text node is assigned to a slot and the host has display: inline-block]
+    expected: FAIL
+
+  [document.elementFromPoint and shadowRoot.elementFromPoint must return the element assigned to a slot when hit-tested text node under an element is assigned to a slot in the shadow tree and the shadow host of the slot has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint and shadowRoot.elementFromPoint must return the element assigned to a slot when hit-tested text node under an element is assigned to a slot in the shadow tree and the shadow host of the slot has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint and shadowRoot.elementFromPoint must return the element assigned to a slot when hit-tested text node under an element is assigned to a slot in the shadow tree and the shadow host of the slot has display: inline-block]
+    expected: FAIL
+
+  [document.elementFromPoint must return the shadow host of the hit-tested element under a shadow root and shadowRoot.elementFromPoint must return the element parent of the hit-tested text node under the point when the shadow host has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint must return the shadow host of the hit-tested element under a shadow root and shadowRoot.elementFromPoint must return the element parent of the hit-tested text node under the point when the shadow host has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint must return the shadow host of the hit-tested element under a shadow root and shadowRoot.elementFromPoint must return the element parent of the hit-tested text node under the point when the shadow host has display: inline-block]
+    expected: FAIL
+
+  [document.elementFromPoint must return the shadow host and shadowRoot.elementFromPoint must return the slot parent of the fallback text when the hit-tested text node is a fallback content and the host has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint must return the shadow host and shadowRoot.elementFromPoint must return the slot parent of the fallback text when the hit-tested text node is a fallback content and the host has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint must return the shadow host and shadowRoot.elementFromPoint must return the slot parent of the fallback text when the hit-tested text node is a fallback content and the host has display: inline-block]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint, innerShadow.elementFromPoint must return a child element assigned to a slot when the hit-tested text node is assigned to a slot in the shadow tree of the child element and the outer shadow host has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint, innerShadow.elementFromPoint must return a child element assigned to a slot when the hit-tested text node is assigned to a slot in the shadow tree of the child element and the outer shadow host has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint, innerShadow.elementFromPoint must return a child element assigned to a slot when the hit-tested text node is assigned to a slot in the shadow tree of the child element and the outer shadow host has display: inline-block]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint, innerShadow.elementFromPoint must return a child element with its own shadow tree assigned to a slot when the hit-tested text node is its direct child and the outer shadow host has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint, innerShadow.elementFromPoint must return a child element with its own shadow tree assigned to a slot when the hit-tested text node is its direct child and the outer shadow host has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint, innerShadow.elementFromPoint must return a child element with its own shadow tree assigned to a slot when the hit-tested text node is its direct child and the outer shadow host has display: inline-block]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint must return a child element with its own shadow tree assigned to a slot when the hit-tested text node is a child of another element and innerShadow.elementFromPoint must return the parent element of the hit-tested text node under it when the outer shadow host has display: inline]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint must return a child element with its own shadow tree assigned to a slot when the hit-tested text node is a child of another element and innerShadow.elementFromPoint must return the parent element of the hit-tested text node under it when the outer shadow host has display: block]
+    expected: FAIL
+
+  [document.elementFromPoint, shadowRoot.elementFromPoint must return a child element with its own shadow tree assigned to a slot when the hit-tested text node is a child of another element and innerShadow.elementFromPoint must return the parent element of the hit-tested text node under it when the outer shadow host has display: inline-block]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadow.elementsFromPoint must return the shadow host and its ancestors of the hit-tested text node when the hit-tested text node is a direct child of the root and the host has display: inline]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadow.elementsFromPoint must return the shadow host and its ancestors of the hit-tested text node when the hit-tested text node is a direct child of the root and the host has display: block]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadow.elementsFromPoint must return the shadow host and its ancestors of the hit-tested text node when the hit-tested text node is a direct child of the root and the host has display: inline-block]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadowRoot.elementsFromPoint must return the shadow host and its ancestors when the hit-tested text node is assigned to a slot and the host has display: inline]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadowRoot.elementsFromPoint must return the shadow host and its ancestors when the hit-tested text node is assigned to a slot and the host has display: block]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadowRoot.elementsFromPoint must return the shadow host and its ancestors when the hit-tested text node is assigned to a slot and the host has display: inline-block]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadowRoot.elementsFromPoint must return the element assigned to a slot and its non-shadow ancestors when hit-tested text node under an element is assigned to a slot in the shadow tree and the shadow host of the slot has display: inline]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadowRoot.elementsFromPoint must return the element assigned to a slot and its non-shadow ancestors when hit-tested text node under an element is assigned to a slot in the shadow tree and the shadow host of the slot has display: block]
+    expected: FAIL
+
+  [document.elementsFromPoint and shadowRoot.elementsFromPoint must return the element assigned to a slot and its non-shadow ancestors when hit-tested text node under an element is assigned to a slot in the shadow tree and the shadow host of the slot has display: inline-block]
+    expected: FAIL
+
+  [document.elementsFromPoint must return the shadow host and its ancestors of the hit-tested element under a shadow root andshadowRoot.elementsFromPoint must return the element parent and its non-shadow ancestors of the hit-tested text node under the point when the shadow host has display: inline]
+    expected: FAIL
+
+  [document.elementsFromPoint must return the shadow host and its ancestors of the hit-tested element under a shadow root andshadowRoot.elementsFromPoint must return the element parent and its non-shadow ancestors of the hit-tested text node under the point when the shadow host has display: block]
+    expected: FAIL
+
+  [document.elementsFromPoint must return the shadow host and its ancestors of the hit-tested element under a shadow root andshadowRoot.elementsFromPoint must return the element parent and its non-shadow ancestors of the hit-tested text node under the point when the shadow host has display: inline-block]
+    expected: FAIL
+
+  [document.elementsFromPoint must return the shadow host and its ancestors and shadowRoot.elementsFromPoint must return the slot parent of the fallback text and its non-shadow ancestors when the hit-tested text node is a fallback content and the host has display: inline]
+    expected: FAIL
+
+  [document.elementsFromPoint must return the shadow host and its ancestors and shadowRoot.elementsFromPoint must return the slot parent of the fallback text and its non-shadow ancestors when the hit-tested text node is a fallback content and the host has display: block]
+    expected: FAIL
+
+  [document.elementsFromPoint must return the shadow host and its ancestors and shadowRoot.elementsFromPoint must return the slot parent of the fallback text and its non-shadow ancestors when the hit-tested text node is a fallback content and the host has display: inline-block]
+    expected: FAIL
+
+  [shadowRoot.elementsFromPoint must behave the same with document.elementsFromPoint regarding HTML element]
+    expected: FAIL
+
+  [elementsFromPoint should return all elements under a point, even when context object is not connected]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Element-interface-attachShadow-custom-element.html.ini b/tests/wpt/meta/shadow-dom/Element-interface-attachShadow-custom-element.html.ini
new file mode 100644
index 00000000000..6fe5d3fea55
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Element-interface-attachShadow-custom-element.html.ini
@@ -0,0 +1,15 @@
+[Element-interface-attachShadow-custom-element.html]
+  [Element.attachShadow must create an instance of ShadowRoot for autonomous custom elements]
+    expected: FAIL
+
+  [Element.attachShadow must create an instance of ShadowRoot for undefined autonomous custom elements]
+    expected: FAIL
+
+  [Element.attachShadow for an autonomous custom element with disabledFeatures=["shadow"\] should throw a NotSupportedError]
+    expected: FAIL
+
+  [Element.attachShadow for a customized built-in element with disabledFeatures=["shadow"\] should throw a NotSupportedError]
+    expected: FAIL
+
+  [Element.attachShadow for a custom element with disabledFeatures=["SHADOW"\] should not throw a NotSupportedError]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Element-interface-attachShadow.html.ini b/tests/wpt/meta/shadow-dom/Element-interface-attachShadow.html.ini
new file mode 100644
index 00000000000..9b613b98e41
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Element-interface-attachShadow.html.ini
@@ -0,0 +1,6 @@
+[Element-interface-attachShadow.html]
+  [Element.attachShadow must throw a TypeError if mode is not "open" or "closed"]
+    expected: FAIL
+
+  [Element.attachShadow must throw a NotSupportedError if the context object already hosts a shadow tree]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Element-interface-shadowRoot-attribute.html.ini b/tests/wpt/meta/shadow-dom/Element-interface-shadowRoot-attribute.html.ini
new file mode 100644
index 00000000000..79d1f328900
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Element-interface-shadowRoot-attribute.html.ini
@@ -0,0 +1,9 @@
+[Element-interface-shadowRoot-attribute.html]
+  [shadowRoot must be defined on Element prototype]
+    expected: FAIL
+
+  [shadowRoot attribute must return the open shadow root associated with the element]
+    expected: FAIL
+
+  [shadowRoot attribute must return null if the shadow root attached to the element is closed]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Extensions-to-Event-Interface.html.ini b/tests/wpt/meta/shadow-dom/Extensions-to-Event-Interface.html.ini
new file mode 100644
index 00000000000..dabcc9a71a4
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Extensions-to-Event-Interface.html.ini
@@ -0,0 +1,2 @@
+[Extensions-to-Event-Interface.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/HTMLSlotElement-interface.html.ini b/tests/wpt/meta/shadow-dom/HTMLSlotElement-interface.html.ini
new file mode 100644
index 00000000000..858ebe7170d
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/HTMLSlotElement-interface.html.ini
@@ -0,0 +1,54 @@
+[HTMLSlotElement-interface.html]
+  [HTMLSlotElement must be defined on window]
+    expected: FAIL
+
+  ["name" attribute on HTMLSlotElement must reflect "name" attribute]
+    expected: FAIL
+
+  [assignedNodes() on a HTMLSlotElement must return an empty array when the slot element is not in a tree or in a document tree]
+    expected: FAIL
+
+  [assignedNodes({"flattened":false}) on a HTMLSlotElement must return an empty array when the slot element is not in a tree or in a document tree]
+    expected: FAIL
+
+  [assignedNodes({"flattened":true}) on a HTMLSlotElement must return an empty array when the slot element is not in a tree or in a document tree]
+    expected: FAIL
+
+  [assignedNodes() must return the list of assigned nodes when none of the assigned nodes themselves are slots]
+    expected: FAIL
+
+  [assignedNodes({"flattened":false}) must return the list of assigned nodes when none of the assigned nodes themselves are slots]
+    expected: FAIL
+
+  [assignedNodes({"flattened":true}) must return the list of assigned nodes when none of the assigned nodes themselves are slots]
+    expected: FAIL
+
+  [assignedNodes() must update when slot and name attributes are modified]
+    expected: FAIL
+
+  [assignedNodes({"flattened":false}) must update when slot and name attributes are modified]
+    expected: FAIL
+
+  [assignedNodes({"flattened":true}) must update when slot and name attributes are modified]
+    expected: FAIL
+
+  [assignedNodes() must update when a default slot is introduced dynamically by a slot rename]
+    expected: FAIL
+
+  [assignedNodes({"flattened":false}) must update when a default slot is introduced dynamically by a slot rename]
+    expected: FAIL
+
+  [assignedNodes({"flattened":true}) must update when a default slot is introduced dynamically by a slot rename]
+    expected: FAIL
+
+  [assignedNodes() must update when slot elements are inserted or removed]
+    expected: FAIL
+
+  [assignedNodes({"flattened":false}) must update when slot elements are inserted or removed]
+    expected: FAIL
+
+  [assignedNodes({"flattened":true}) must update when slot elements are inserted or removed]
+    expected: FAIL
+
+  [assignedNodes({flatten: true}) must return the distributed nodes, and assignedNodes() and assignedNodes({flatten: false}) must returned the assigned nodes]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/MouseEvent-prototype-offsetX-offsetY.html.ini b/tests/wpt/meta/shadow-dom/MouseEvent-prototype-offsetX-offsetY.html.ini
new file mode 100644
index 00000000000..5a34f035218
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/MouseEvent-prototype-offsetX-offsetY.html.ini
@@ -0,0 +1,4 @@
+[MouseEvent-prototype-offsetX-offsetY.html]
+  expected: ERROR
+  [MouseEvent's offsetX and offsetY attributes must be relative to the target.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Node-prototype-cloneNode.html.ini b/tests/wpt/meta/shadow-dom/Node-prototype-cloneNode.html.ini
new file mode 100644
index 00000000000..4455907c066
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Node-prototype-cloneNode.html.ini
@@ -0,0 +1,9 @@
+[Node-prototype-cloneNode.html]
+  [cloneNode on a shadow root in open mode must throw a NotSupportedError]
+    expected: FAIL
+
+  [cloneNode on a shadow root in closed mode must throw a NotSupportedError]
+    expected: FAIL
+
+  [cloneNode on an element with an open shadow root should not clone its shadow root]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/ShadowRoot-interface.html.ini b/tests/wpt/meta/shadow-dom/ShadowRoot-interface.html.ini
new file mode 100644
index 00000000000..806344eb890
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/ShadowRoot-interface.html.ini
@@ -0,0 +1,24 @@
+[ShadowRoot-interface.html]
+  [ShadowRoot.activeElement must return the focused element of the context object when shadow root is open.]
+    expected: FAIL
+
+  [ShadowRoot.activeElement must return the focused element of the context object when shadow root is closed.]
+    expected: FAIL
+
+  [ShadowRoot.innerHTML must return the result of the HTML fragment serialization algorithm when shadow root is open.]
+    expected: FAIL
+
+  [ShadowRoot.innerHTML must return the result of the HTML fragment serialization algorithm when shadow root is closed.]
+    expected: FAIL
+
+  [ShadowRoot.innerHTML must replace all with the result of invoking the fragment parsing algorithm when shadow root is open.]
+    expected: FAIL
+
+  [ShadowRoot.innerHTML must replace all with the result of invoking the fragment parsing algorithm when shadow root is closed.]
+    expected: FAIL
+
+  [ShadowRoot.styleSheets must return a StyleSheetList sequence containing the shadow root style sheets when shadow root is open.]
+    expected: FAIL
+
+  [ShadowRoot.styleSheets must return a StyleSheetList sequence containing the shadow root style sheets when shadow root is closed.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/Slottable-mixin.html.ini b/tests/wpt/meta/shadow-dom/Slottable-mixin.html.ini
new file mode 100644
index 00000000000..5bde06d5006
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/Slottable-mixin.html.ini
@@ -0,0 +1,12 @@
+[Slottable-mixin.html]
+  [assignedSlot attribute must be defined on Element and Text interfaces]
+    expected: FAIL
+
+  [assignedSlot must return null when the node does not have an assigned node]
+    expected: FAIL
+
+  [assignedSlot must return the assigned slot]
+    expected: FAIL
+
+  [assignedSlot must return null when the assigned slot element is inside a closed shadow tree]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/capturing-and-bubbling-event-listeners-across-shadow-trees.html.ini b/tests/wpt/meta/shadow-dom/capturing-and-bubbling-event-listeners-across-shadow-trees.html.ini
new file mode 100644
index 00000000000..19b257357ac
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/capturing-and-bubbling-event-listeners-across-shadow-trees.html.ini
@@ -0,0 +1,12 @@
+[capturing-and-bubbling-event-listeners-across-shadow-trees.html]
+  [Capturing event listeners should be invoked before bubbling event listeners when an event is dispatched inside a shadow tree]
+    expected: FAIL
+
+  [Capturing event listeners should be invoked before bubbling event listeners when an event is dispatched inside a doubly nested shadow tree]
+    expected: FAIL
+
+  [Capturing event listeners should be invoked before bubbling event listeners when an event is dispatched via a slot]
+    expected: FAIL
+
+  [Capturing event listeners should be invoked before bubbling event listeners when an event is dispatched inside a shadow tree which passes through another shadow tree]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/crashtests/move-to-new-tree-1343016.html.ini b/tests/wpt/meta/shadow-dom/crashtests/move-to-new-tree-1343016.html.ini
new file mode 100644
index 00000000000..77cd88fd2ba
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/crashtests/move-to-new-tree-1343016.html.ini
@@ -0,0 +1,2 @@
+[move-to-new-tree-1343016.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-after-attachshadow.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-after-attachshadow.html.ini
new file mode 100644
index 00000000000..dc77d39f10a
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-after-attachshadow.html.ini
@@ -0,0 +1,2 @@
+[declarative-after-attachshadow.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-attachment.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-attachment.html.ini
new file mode 100644
index 00000000000..4a35ff289d7
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-attachment.html.ini
@@ -0,0 +1,1944 @@
+[declarative-shadow-dom-attachment.html]
+  [Declarative Shadow DOM as a child of <article>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <aside>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <blockquote>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <div>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <footer>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h1>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h2>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h3>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h4>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h5>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h6>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <header>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <main>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <nav>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <p>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <section>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <span>, with mode=open, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <a>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <abbr>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <address>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <area>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <audio>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <b>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <base>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdi>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdo>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <br>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <button>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <canvas>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <caption>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <cite>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <code>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <col>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <colgroup>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <data>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <datalist>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dd>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <del>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <details>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dfn>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dialog>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dl>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dt>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <em>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <embed>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <fieldset>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figcaption>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figure>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <form>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <head>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <hr>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <html>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <i>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <iframe>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <img>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <input>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ins>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <kbd>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <label>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <legend>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <li>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <link>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <map>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <mark>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <menu>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meta>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meter>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <noscript>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <object>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ol>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <optgroup>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <option>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <output>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <param>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <pre>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <progress>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <q>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rp>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rt>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ruby>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <s>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <samp>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <script>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <select>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <slot>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <small>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <source>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <strong>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <style>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sub>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sup>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <summary>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <table>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tbody>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <td>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <textarea>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tfoot>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <th>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <thead>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <time>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <title>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tr>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <track>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <u>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ul>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <var>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <video>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <wbr>, with mode=open, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <article>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <aside>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <blockquote>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <div>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <footer>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h1>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h2>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h3>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h4>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h5>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h6>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <header>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <main>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <nav>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <p>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <section>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <span>, with mode=closed, delegatesFocus=false. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <a>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <abbr>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <address>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <area>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <audio>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <b>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <base>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdi>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdo>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <br>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <button>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <canvas>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <caption>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <cite>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <code>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <col>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <colgroup>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <data>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <datalist>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dd>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <del>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <details>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dfn>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dialog>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dl>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dt>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <em>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <embed>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <fieldset>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figcaption>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figure>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <form>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <head>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <hr>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <html>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <i>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <iframe>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <img>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <input>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ins>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <kbd>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <label>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <legend>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <li>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <link>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <map>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <mark>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <menu>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meta>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meter>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <noscript>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <object>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ol>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <optgroup>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <option>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <output>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <param>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <pre>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <progress>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <q>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rp>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rt>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ruby>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <s>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <samp>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <script>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <select>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <slot>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <small>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <source>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <strong>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <style>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sub>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sup>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <summary>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <table>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tbody>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <td>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <textarea>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tfoot>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <th>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <thead>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <time>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <title>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tr>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <track>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <u>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ul>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <var>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <video>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <wbr>, with mode=closed, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <article>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <aside>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <blockquote>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <div>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <footer>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h1>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h2>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h3>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h4>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h5>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h6>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <header>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <main>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <nav>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <p>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <section>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <span>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <a>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <abbr>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <address>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <area>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <audio>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <b>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <base>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdi>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdo>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <br>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <button>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <canvas>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <caption>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <cite>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <code>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <col>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <colgroup>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <data>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <datalist>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dd>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <del>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <details>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dfn>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dialog>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dl>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dt>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <em>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <embed>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <fieldset>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figcaption>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figure>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <form>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <head>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <hr>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <html>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <i>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <iframe>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <img>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <input>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ins>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <kbd>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <label>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <legend>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <li>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <link>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <map>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <mark>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <menu>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meta>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meter>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <noscript>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <object>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ol>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <optgroup>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <option>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <output>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <param>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <pre>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <progress>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <q>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rp>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rt>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ruby>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <s>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <samp>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <script>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <select>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <slot>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <small>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <source>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <strong>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <style>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sub>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sup>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <summary>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <table>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tbody>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <td>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <textarea>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tfoot>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <th>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <thead>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <time>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <title>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tr>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <track>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <u>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ul>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <var>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <video>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <wbr>, with mode=invalid, delegatesFocus=false. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <article>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <aside>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <blockquote>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <div>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <footer>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h1>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h2>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h3>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h4>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h5>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h6>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <header>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <main>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <nav>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <p>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <section>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <span>, with mode=open, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <a>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <abbr>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <address>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <area>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <audio>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <b>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <base>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdi>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdo>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <br>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <button>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <canvas>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <caption>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <cite>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <code>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <col>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <colgroup>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <data>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <datalist>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dd>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <del>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <details>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dfn>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dialog>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dl>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dt>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <em>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <embed>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <fieldset>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figcaption>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figure>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <form>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <head>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <hr>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <html>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <i>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <iframe>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <img>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <input>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ins>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <kbd>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <label>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <legend>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <li>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <link>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <map>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <mark>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <menu>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meta>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meter>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <noscript>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <object>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ol>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <optgroup>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <option>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <output>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <param>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <pre>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <progress>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <q>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rp>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rt>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ruby>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <s>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <samp>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <script>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <select>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <slot>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <small>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <source>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <strong>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <style>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sub>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sup>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <summary>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <table>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tbody>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <td>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <textarea>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tfoot>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <th>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <thead>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <time>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <title>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tr>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <track>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <u>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ul>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <var>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <video>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <wbr>, with mode=open, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <article>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <aside>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <blockquote>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <div>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <footer>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h1>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h2>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h3>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h4>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h5>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h6>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <header>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <main>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <nav>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <p>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <section>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <span>, with mode=closed, delegatesFocus=true. Should be safelisted.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <a>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <abbr>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <address>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <area>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <audio>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <b>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <base>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdi>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdo>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <br>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <button>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <canvas>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <caption>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <cite>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <code>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <col>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <colgroup>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <data>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <datalist>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dd>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <del>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <details>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dfn>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dialog>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dl>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dt>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <em>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <embed>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <fieldset>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figcaption>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figure>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <form>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <head>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <hr>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <html>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <i>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <iframe>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <img>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <input>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ins>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <kbd>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <label>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <legend>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <li>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <link>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <map>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <mark>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <menu>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meta>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meter>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <noscript>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <object>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ol>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <optgroup>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <option>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <output>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <param>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <pre>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <progress>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <q>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rp>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rt>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ruby>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <s>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <samp>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <script>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <select>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <slot>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <small>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <source>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <strong>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <style>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sub>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sup>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <summary>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <table>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tbody>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <td>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <textarea>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tfoot>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <th>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <thead>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <time>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <title>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tr>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <track>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <u>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ul>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <var>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <video>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <wbr>, with mode=closed, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <article>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <aside>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <blockquote>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <div>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <footer>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h1>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h2>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h3>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h4>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h5>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <h6>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <header>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <main>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <nav>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <p>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <section>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <span>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <a>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <abbr>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <address>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <area>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <audio>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <b>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <base>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdi>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <bdo>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <br>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <button>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <canvas>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <caption>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <cite>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <code>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <col>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <colgroup>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <data>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <datalist>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dd>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <del>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <details>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dfn>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dialog>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dl>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <dt>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <em>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <embed>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <fieldset>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figcaption>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <figure>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <form>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <head>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <hr>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <html>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <i>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <iframe>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <img>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <input>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ins>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <kbd>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <label>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <legend>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <li>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <link>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <map>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <mark>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <menu>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meta>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <meter>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <noscript>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <object>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ol>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <optgroup>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <option>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <output>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <param>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <pre>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <progress>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <q>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rp>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <rt>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ruby>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <s>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <samp>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <script>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <select>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <slot>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <small>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <source>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <strong>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <style>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sub>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <sup>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <summary>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <table>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tbody>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <td>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <textarea>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tfoot>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <th>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <thead>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <time>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <title>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <tr>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <track>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <u>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <ul>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <var>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <video>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
+
+  [Declarative Shadow DOM as a child of <wbr>, with mode=invalid, delegatesFocus=true. Should be disallowed.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-available-to-element-internals.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-available-to-element-internals.html.ini
new file mode 100644
index 00000000000..1e5c4518079
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-available-to-element-internals.html.ini
@@ -0,0 +1,3 @@
+[declarative-shadow-dom-available-to-element-internals.html]
+  [Declarative Shadow DOM: shadow root should be available to element internals]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-basic.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-basic.html.ini
new file mode 100644
index 00000000000..2553fab5ad9
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-basic.html.ini
@@ -0,0 +1,63 @@
+[declarative-shadow-dom-basic.html]
+  [Declarative Shadow DOM: Basic test]
+    expected: FAIL
+
+  [Declarative Shadow DOM: Feature detection]
+    expected: FAIL
+
+  [Shadowrootmode reflection]
+    expected: FAIL
+
+  [Shadowrootmode reflection, setter]
+    expected: FAIL
+
+  [Shadowrootdelegatesfocus reflection]
+    expected: FAIL
+
+  [Shadowrootdelegatesfocus reflection, setter]
+    expected: FAIL
+
+  [Shadowrootclonable reflection]
+    expected: FAIL
+
+  [Shadowrootclonable reflection, setter]
+    expected: FAIL
+
+  [Declarative Shadow DOM: Fragment parser basic test]
+    expected: FAIL
+
+  [Declarative Shadow DOM: Invalid shadow root attribute]
+    expected: FAIL
+
+  [Declarative Shadow DOM: Closed shadow root attribute]
+    expected: FAIL
+
+  [Declarative Shadow DOM: Missing closing tag]
+    expected: FAIL
+
+  [Declarative Shadow DOM: delegates focus attribute]
+    expected: FAIL
+
+  [Declarative Shadow DOM: clonable attribute]
+    expected: FAIL
+
+  [Declarative Shadow DOM: Multiple roots]
+    expected: FAIL
+
+  [Declarative Shadow DOM: template containing declarative shadow root (with shadowrootclonable)]
+    expected: FAIL
+
+  [Declarative Shadow DOM: template containing (deeply nested) declarative shadow root]
+    expected: FAIL
+
+  [Declarative Shadow DOM: template containing a template containing declarative shadow root]
+    expected: FAIL
+
+  [Declarative Shadow DOM: template containing declarative shadow root and UA shadow root]
+    expected: FAIL
+
+  [Declarative Shadow DOM: declarative shadow roots are not supported by the template element]
+    expected: FAIL
+
+  [Declarative Shadow DOM: explicit test that exceptions are not thrown]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-opt-in.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-opt-in.html.ini
new file mode 100644
index 00000000000..51bae6a8a7c
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-opt-in.html.ini
@@ -0,0 +1,25 @@
+[declarative-shadow-dom-opt-in.html]
+  expected: TIMEOUT
+  [Non-fragment parsing needs no opt-in]
+    expected: FAIL
+
+  [innerHTML on shadowRoot]
+    expected: FAIL
+
+  [document.write allowed from synchronous script loaded from main document]
+    expected: FAIL
+
+  [document.write disallowed on fresh document]
+    expected: FAIL
+
+  [iframe]
+    expected: FAIL
+
+  [iframe, no sandbox]
+    expected: FAIL
+
+  [sandboxed iframe allows declarative Shadow DOM]
+    expected: TIMEOUT
+
+  [iframe with no sandbox allows declarative Shadow DOM]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-repeats-2.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-repeats-2.html.ini
new file mode 100644
index 00000000000..04d052175a6
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-repeats-2.html.ini
@@ -0,0 +1,3 @@
+[declarative-shadow-dom-repeats-2.html]
+  [Repeated declarative shadow roots keep only the first]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-repeats.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-repeats.html.ini
new file mode 100644
index 00000000000..2e607f671d1
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-repeats.html.ini
@@ -0,0 +1,2 @@
+[declarative-shadow-dom-repeats.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-write-to-iframe.html.ini b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-write-to-iframe.html.ini
new file mode 100644
index 00000000000..81cb59eb03e
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/declarative-shadow-dom-write-to-iframe.html.ini
@@ -0,0 +1,3 @@
+[declarative-shadow-dom-write-to-iframe.html]
+  [`document.write` on inner iframe handles declarative shadow DOM]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/gethtml-ordering.html.ini b/tests/wpt/meta/shadow-dom/declarative/gethtml-ordering.html.ini
new file mode 100644
index 00000000000..393cf2690e6
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/gethtml-ordering.html.ini
@@ -0,0 +1,2 @@
+[gethtml-ordering.html]
+  expected: ERROR
diff --git a/tests/wpt/meta/shadow-dom/declarative/gethtml.html.ini b/tests/wpt/meta/shadow-dom/declarative/gethtml.html.ini
new file mode 100644
index 00000000000..d86161570f0
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/gethtml.html.ini
@@ -0,0 +1,2 @@
+[gethtml.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/meta/shadow-dom/declarative/getinnerhtml.tentative.html.ini b/tests/wpt/meta/shadow-dom/declarative/getinnerhtml.tentative.html.ini
new file mode 100644
index 00000000000..919a3857886
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/getinnerhtml.tentative.html.ini
@@ -0,0 +1,991 @@
+[getinnerhtml.tentative.html]
+  expected: TIMEOUT
+  [Element.getInnerHTML() on <a>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <a>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <abbr>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <abbr>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <address>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <address>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <area>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <area>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <article>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <article>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <article>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <article>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <article>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <article>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <article>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <article>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <aside>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <aside>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <aside>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <aside>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <aside>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <aside>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <aside>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <aside>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <audio>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <audio>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <b>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <b>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <base>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <base>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <bdi>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <bdi>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <bdo>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <bdo>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <blockquote>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <blockquote>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <blockquote>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <blockquote>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <blockquote>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <blockquote>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <blockquote>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <blockquote>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <body>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <body>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <body>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <body>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <body>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <body>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <body>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <body>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <br>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <br>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <button>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <button>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <canvas>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <canvas>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <caption>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <caption>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <cite>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <cite>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <code>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <code>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <col>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <col>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <colgroup>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <colgroup>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <data>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <data>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <datalist>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <datalist>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <dd>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <dd>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <del>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <del>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <details>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <details>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <dfn>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <dfn>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <dialog>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <dialog>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <div>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <div>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <div>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <div>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <div>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <div>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <div>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <div>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <dl>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <dl>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <dt>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <dt>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <em>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <em>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <embed>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <embed>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <fieldset>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <fieldset>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <figcaption>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <figcaption>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <figure>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <figure>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <footer>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <footer>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <footer>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <footer>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <footer>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <footer>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <footer>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <footer>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <form>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <form>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h1>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h1>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h1>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h1>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h1>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h1>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h1>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h1>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h2>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h2>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h2>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h2>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h2>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h2>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h2>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h2>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h3>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h3>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h3>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h3>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h3>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h3>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h3>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h3>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h4>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h4>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h4>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h4>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h4>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h4>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h4>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h4>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h5>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h5>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h5>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h5>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h5>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h5>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h5>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h5>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h6>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h6>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h6>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <h6>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h6>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h6>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h6>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <h6>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <head>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <head>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <header>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <header>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <header>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <header>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <header>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <header>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <header>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <header>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <hr>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <hr>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <html>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <html>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <i>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <i>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <iframe>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <iframe>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <img>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <img>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <input>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <input>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <ins>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <ins>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <kbd>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <kbd>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <label>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <label>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <legend>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <legend>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <li>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <li>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <link>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <link>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <main>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <main>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <main>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <main>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <main>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <main>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <main>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <main>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <map>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <map>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <mark>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <mark>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <menu>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <menu>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <meta>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <meta>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <meter>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <meter>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <nav>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <nav>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <nav>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <nav>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <nav>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <nav>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <nav>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <nav>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <noscript>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <noscript>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <object>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <object>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <ol>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <ol>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <optgroup>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <optgroup>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <option>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <option>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <output>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <output>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <p>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <p>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <p>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <p>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <p>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <p>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <p>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <p>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <param>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <param>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <pre>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <pre>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <progress>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <progress>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <q>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <q>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <rp>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <rp>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <rt>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <rt>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <ruby>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <ruby>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <s>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <s>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <samp>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <samp>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <script>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <script>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <section>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <section>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <section>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <section>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <section>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <section>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <section>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <section>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <select>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <select>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <slot>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <slot>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <small>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <small>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <source>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <source>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <span>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <span>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <span>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <span>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <span>, with mode=open, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <span>, with mode=closed, delegatesFocus=false.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <span>, with mode=open, delegatesFocus=true.]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <span>, with mode=closed, delegatesFocus=true.]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <strong>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <strong>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <style>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <style>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <sub>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <sub>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <sup>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <sup>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <summary>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <summary>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <table>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <table>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <tbody>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <tbody>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <td>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <td>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <template>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <template>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <textarea>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <textarea>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <tfoot>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <tfoot>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <th>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <th>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <thead>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <thead>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <time>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <time>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <title>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <title>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <tr>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <tr>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <track>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <track>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <u>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <u>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <ul>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <ul>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <var>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <var>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <video>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <video>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <wbr>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <wbr>]
+    expected: FAIL
+
+  [Element.getInnerHTML() on <htmlunknown>]
+    expected: FAIL
+
+  [ShadowRoot.getInnerHTML() on <htmlunknown>]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/innerhtml-before-closing-tag.html.ini b/tests/wpt/meta/shadow-dom/declarative/innerhtml-before-closing-tag.html.ini
new file mode 100644
index 00000000000..196e947e795
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/innerhtml-before-closing-tag.html.ini
@@ -0,0 +1,2 @@
+[innerhtml-before-closing-tag.html]
+  expected: ERROR
diff --git a/tests/wpt/meta/shadow-dom/declarative/innerhtml-on-ordinary-template.html.ini b/tests/wpt/meta/shadow-dom/declarative/innerhtml-on-ordinary-template.html.ini
new file mode 100644
index 00000000000..2fa94a52b74
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/innerhtml-on-ordinary-template.html.ini
@@ -0,0 +1,2 @@
+[innerhtml-on-ordinary-template.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/declarative/move-template-before-closing-tag.html.ini b/tests/wpt/meta/shadow-dom/declarative/move-template-before-closing-tag.html.ini
new file mode 100644
index 00000000000..76a0e29532d
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/move-template-before-closing-tag.html.ini
@@ -0,0 +1,6 @@
+[move-template-before-closing-tag.html]
+  [Moving the template node during parsing should attach to initial parent (content before observer)]
+    expected: FAIL
+
+  [Moving the template node during parsing should attach to initial parent (content after observer)]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/declarative/script-access.html.ini b/tests/wpt/meta/shadow-dom/declarative/script-access.html.ini
new file mode 100644
index 00000000000..7994a939276
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/declarative/script-access.html.ini
@@ -0,0 +1,2 @@
+[script-access.html]
+  expected: ERROR
diff --git a/tests/wpt/meta/shadow-dom/directionality-001.tentative.html.ini b/tests/wpt/meta/shadow-dom/directionality-001.tentative.html.ini
new file mode 100644
index 00000000000..0fc1e421721
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/directionality-001.tentative.html.ini
@@ -0,0 +1,2 @@
+[directionality-001.tentative.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/directionality-002.tentative.html.ini b/tests/wpt/meta/shadow-dom/directionality-002.tentative.html.ini
new file mode 100644
index 00000000000..648e6d3a3e4
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/directionality-002.tentative.html.ini
@@ -0,0 +1,2 @@
+[directionality-002.tentative.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/event-composed-path-after-dom-mutation.html.ini b/tests/wpt/meta/shadow-dom/event-composed-path-after-dom-mutation.html.ini
new file mode 100644
index 00000000000..c86edd6f045
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-composed-path-after-dom-mutation.html.ini
@@ -0,0 +1,7 @@
+[event-composed-path-after-dom-mutation.html]
+  expected: TIMEOUT
+  [Event.composedPath() should return the same result even if DOM is mutated (1/2)]
+    expected: TIMEOUT
+
+  [Event.composedPath() should return the same result even if DOM is mutated (2/2)]
+    expected: TIMEOUT
diff --git a/tests/wpt/meta/shadow-dom/event-composed-path-with-related-target.html.ini b/tests/wpt/meta/shadow-dom/event-composed-path-with-related-target.html.ini
new file mode 100644
index 00000000000..4e2feb09451
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-composed-path-with-related-target.html.ini
@@ -0,0 +1,27 @@
+[event-composed-path-with-related-target.html]
+  [Event path for an event with a relatedTarget. target and relaterTarget do not share any shadow-including ancestor. target is in a shadow tree.]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. target and relaterTarget do not share any shadow-including ancestor. target is not in a shadow tree]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. target and relaterTarget share the same shadow-including ancestor. Both are in shadow trees.]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. relatedTarget is a shadow-including ancestor of target.]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. target is a shadow-including ancestor of relatedTarget.]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. target is assigned to a slot.]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. relatedTarget is assigned to a slot.]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. Event should be dispatched at every slots.]
+    expected: FAIL
+
+  [Event path for an event with a relatedTarget. Event should be dispatched at every slots. relatedTarget should be correctly retargeted.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/event-composed-path.html.ini b/tests/wpt/meta/shadow-dom/event-composed-path.html.ini
new file mode 100644
index 00000000000..f55f38269be
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-composed-path.html.ini
@@ -0,0 +1,30 @@
+[event-composed-path.html]
+  [Event Path with an open ShadowRoot.]
+    expected: FAIL
+
+  [Event Path with a closed ShadowRoot.]
+    expected: FAIL
+
+  [Event Path with nested ShadowRoots: open > open.]
+    expected: FAIL
+
+  [Event Path with nested ShadowRoots: open > closed.]
+    expected: FAIL
+
+  [Event Path with nested ShadowRoots: closed > open.]
+    expected: FAIL
+
+  [Event Path with nested ShadowRoots: closed > closed.]
+    expected: FAIL
+
+  [Event Path with a slot in an open Shadow Root.]
+    expected: FAIL
+
+  [Event Path with a slot in a closed Shadow Root.]
+    expected: FAIL
+
+  [Event Path with slots in nested ShadowRoots: open > open.]
+    expected: FAIL
+
+  [Event Path with slots in nested ShadowRoots: closed > closed.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/event-composed.html.ini b/tests/wpt/meta/shadow-dom/event-composed.html.ini
new file mode 100644
index 00000000000..1e389d5e84a
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-composed.html.ini
@@ -0,0 +1,18 @@
+[event-composed.html]
+  [A new events composed value should be set to false by default.]
+    expected: FAIL
+
+  [Users should be able to set a composed value.]
+    expected: FAIL
+
+  [An event should not be scoped if composed is specified]
+    expected: FAIL
+
+  [A synthetic MouseEvent with composed=true should not be scoped]
+    expected: FAIL
+
+  [A synthetic FocusEvent with composed=true should not be scoped]
+    expected: FAIL
+
+  [A UA click event should not be scoped]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/event-dispatch-order.tentative.html.ini b/tests/wpt/meta/shadow-dom/event-dispatch-order.tentative.html.ini
new file mode 100644
index 00000000000..576acf2527b
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-dispatch-order.tentative.html.ini
@@ -0,0 +1,3 @@
+[event-dispatch-order.tentative.html]
+  [Event dispatch order: capture listerns should be called in capturing phase at a shadow host]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/event-inside-shadow-tree.html.ini b/tests/wpt/meta/shadow-dom/event-inside-shadow-tree.html.ini
new file mode 100644
index 00000000000..ded94bb1e10
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-inside-shadow-tree.html.ini
@@ -0,0 +1,36 @@
+[event-inside-shadow-tree.html]
+  [Firing an event inside a grand child of a detached open mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside a grand child of a detached closed mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside a grand child of an in-document open mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside a grand child of an in-document closed mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside a detached open mode shadow tree inside open mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside a detached open mode shadow tree inside closed mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside a detached closed mode shadow tree inside open mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside a detached closed mode shadow tree inside closed mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside an in-document open mode shadow tree inside open mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside an in-document open mode shadow tree inside closed mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside an in-document closed mode shadow tree inside open mode shadow tree]
+    expected: FAIL
+
+  [Firing an event inside an in-document closed mode shadow tree inside closed mode shadow tree]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/event-inside-slotted-node.html.ini b/tests/wpt/meta/shadow-dom/event-inside-slotted-node.html.ini
new file mode 100644
index 00000000000..665c280fe7e
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-inside-slotted-node.html.ini
@@ -0,0 +1,2 @@
+[event-inside-slotted-node.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/event-post-dispatch.html.ini b/tests/wpt/meta/shadow-dom/event-post-dispatch.html.ini
new file mode 100644
index 00000000000..35602b48f45
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-post-dispatch.html.ini
@@ -0,0 +1,48 @@
+[event-post-dispatch.html]
+  [Event properties post dispatch without ShadowRoots (composed: true).]
+    expected: FAIL
+
+  [Event properties post dispatch without ShadowRoots (composed: false).]
+    expected: FAIL
+
+  [Event properties post dispatch with an open ShadowRoot (composed: true).]
+    expected: FAIL
+
+  [Event properties post dispatch with an open ShadowRoot (composed: false).]
+    expected: FAIL
+
+  [Event properties post dispatch with a closed ShadowRoot (composed: true).]
+    expected: FAIL
+
+  [Event properties post dispatch with a closed ShadowRoot (composed: false).]
+    expected: FAIL
+
+  [Event properties post dispatch with nested ShadowRoots (composed: true).]
+    expected: FAIL
+
+  [Event properties post dispatch with nested ShadowRoots (composed: false).]
+    expected: FAIL
+
+  [Event properties post dispatch with relatedTarget in the same shadow tree. (composed: true)]
+    expected: FAIL
+
+  [Event properties post dispatch with relatedTarget in the same shadow tree. (composed: false)]
+    expected: FAIL
+
+  [Event properties post dispatch with relatedTarget in the document tree and the shadow tree. (composed: true)]
+    expected: FAIL
+
+  [Event properties post dispatch with relatedTarget in the document tree and the shadow tree. (composed: false)]
+    expected: FAIL
+
+  [Event properties post dispatch with relatedTarget in the different shadow trees. (composed: true)]
+    expected: FAIL
+
+  [Event properties post dispatch with relatedTarget in the different shadow trees. (composed: false)]
+    expected: FAIL
+
+  [Event properties post dispatch when target get moved out of the shadow tree by event listener]
+    expected: FAIL
+
+  [Event properties post dispatch when target get moved into the the shadow tree by event listener]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/event-with-related-target.html.ini b/tests/wpt/meta/shadow-dom/event-with-related-target.html.ini
new file mode 100644
index 00000000000..dab914708ee
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/event-with-related-target.html.ini
@@ -0,0 +1,2 @@
+[event-with-related-target.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/focus-within-shadow.html.ini b/tests/wpt/meta/shadow-dom/focus-within-shadow.html.ini
new file mode 100644
index 00000000000..4c7c65e402d
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus-within-shadow.html.ini
@@ -0,0 +1,3 @@
+[focus-within-shadow.html]
+  [Don't clear focus within shadow root if light DOM children are cleared]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/focus/ShadowRoot-delegatesFocus.html.ini b/tests/wpt/meta/shadow-dom/focus/ShadowRoot-delegatesFocus.html.ini
new file mode 100644
index 00000000000..d0dc9d86f4e
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/ShadowRoot-delegatesFocus.html.ini
@@ -0,0 +1,9 @@
+[ShadowRoot-delegatesFocus.html]
+  [default delegatesFocus value]
+    expected: FAIL
+
+  [delegatesFocus set to false in init dict]
+    expected: FAIL
+
+  [delegatesFocus set to true in init dict]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/focus/delegatesFocus-tabindex-change.html.ini b/tests/wpt/meta/shadow-dom/focus/delegatesFocus-tabindex-change.html.ini
new file mode 100644
index 00000000000..b083fe74292
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/delegatesFocus-tabindex-change.html.ini
@@ -0,0 +1,3 @@
+[delegatesFocus-tabindex-change.html]
+  [Setting tabindex on the shadow host of a focused element with delegatesFocus should not change focus.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/focus/focus-pseudo-matches-on-shadow-host.html.ini b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-matches-on-shadow-host.html.ini
new file mode 100644
index 00000000000..98048b42908
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-matches-on-shadow-host.html.ini
@@ -0,0 +1,2 @@
+[focus-pseudo-matches-on-shadow-host.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-1.html.ini b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-1.html.ini
new file mode 100644
index 00000000000..7503362b882
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-1.html.ini
@@ -0,0 +1,2 @@
+[focus-pseudo-on-shadow-host-1.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-2.html.ini b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-2.html.ini
new file mode 100644
index 00000000000..9a21d90bdf8
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-2.html.ini
@@ -0,0 +1,2 @@
+[focus-pseudo-on-shadow-host-2.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-3.html.ini b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-3.html.ini
new file mode 100644
index 00000000000..35bc21e002e
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/focus-pseudo-on-shadow-host-3.html.ini
@@ -0,0 +1,2 @@
+[focus-pseudo-on-shadow-host-3.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/focus/focus-selector-delegatesFocus.html.ini b/tests/wpt/meta/shadow-dom/focus/focus-selector-delegatesFocus.html.ini
new file mode 100644
index 00000000000..8aba9ff8234
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/focus-selector-delegatesFocus.html.ini
@@ -0,0 +1,36 @@
+[focus-selector-delegatesFocus.html]
+  [:focus applies to host with delegatesFocus=true when the shadow root's descendant has focus]
+    expected: FAIL
+
+  [:focus does not apply to host with delegatesFocus=true when slotted element has focus]
+    expected: FAIL
+
+  [:focus applies to host with delegatesFocus=true when an element in a nested shadow tree with delegatesFocus=true is focused]
+    expected: FAIL
+
+  [:focus should be removed from hosts with delegatesFocus=true when none of the elements in a nested shadow tree with delegatesFocus=true is focused]
+    expected: FAIL
+
+  [:focus applies to host with delegatesFocus=true when an element in a nested shadow tree with delegatesFocus=false is focused]
+    expected: FAIL
+
+  [:focus should be removed from hosts with delegatesFocus=true when none of the elements in a nested shadow tree with delegatesFocus=false is focused]
+    expected: FAIL
+
+  [:focus applies to host with delegatesFocus=false when the shadow root's descendant has focus]
+    expected: FAIL
+
+  [:focus does not apply to host with delegatesFocus=false when slotted element has focus]
+    expected: FAIL
+
+  [:focus applies to host with delegatesFocus=false when an element in a nested shadow tree with delegatesFocus=true is focused]
+    expected: FAIL
+
+  [:focus should be removed from hosts with delegatesFocus=false when none of the elements in a nested shadow tree with delegatesFocus=true is focused]
+    expected: FAIL
+
+  [:focus applies to host with delegatesFocus=false when an element in a nested shadow tree with delegatesFocus=false is focused]
+    expected: FAIL
+
+  [:focus should be removed from hosts with delegatesFocus=false when none of the elements in a nested shadow tree with delegatesFocus=false is focused]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/focus/focus-shadowhost-display-none.html.ini b/tests/wpt/meta/shadow-dom/focus/focus-shadowhost-display-none.html.ini
new file mode 100644
index 00000000000..9a51f588d6f
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/focus/focus-shadowhost-display-none.html.ini
@@ -0,0 +1,6 @@
+[focus-shadowhost-display-none.html]
+  [when shadow host itself is focused, it should match display:none, lose focus then becomes display:block again.]
+    expected: FAIL
+
+  [when shadow host with delegatesFocus=true has focused element inside the shadow, it should also match display:none, then lose focus and become display:block again.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/form-control-form-attribute.html.ini b/tests/wpt/meta/shadow-dom/form-control-form-attribute.html.ini
new file mode 100644
index 00000000000..e31dcbafeba
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/form-control-form-attribute.html.ini
@@ -0,0 +1,6 @@
+[form-control-form-attribute.html]
+  [Shadow form control's form attribute should work also in shadow DOM.]
+    expected: FAIL
+
+  [Form element as form control's ancestor should work also in shadow DOM.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/getElementById-dynamic-001.html.ini b/tests/wpt/meta/shadow-dom/getElementById-dynamic-001.html.ini
new file mode 100644
index 00000000000..40e97cecd7e
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/getElementById-dynamic-001.html.ini
@@ -0,0 +1,3 @@
+[getElementById-dynamic-001.html]
+  [ShadowRoot.getElementById keeps working after host has been removed]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/imperative-slot-api-crash.html.ini b/tests/wpt/meta/shadow-dom/imperative-slot-api-crash.html.ini
new file mode 100644
index 00000000000..194526448ad
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/imperative-slot-api-crash.html.ini
@@ -0,0 +1,2 @@
+[imperative-slot-api-crash.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/imperative-slot-api-slotchange.html.ini b/tests/wpt/meta/shadow-dom/imperative-slot-api-slotchange.html.ini
new file mode 100644
index 00000000000..f04f405a114
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/imperative-slot-api-slotchange.html.ini
@@ -0,0 +1,33 @@
+[imperative-slot-api-slotchange.html]
+  [slotchange event must not fire synchronously.]
+    expected: FAIL
+
+  [slotchange event should not fire when assignments do not change assignedNodes.]
+    expected: FAIL
+
+  [slotchange event should not fire when same node is assigned.]
+    expected: FAIL
+
+  [Fire slotchange event when slot's assigned nodes changes.]
+    expected: FAIL
+
+  [Fire slotchange event on previous slot and new slot when node is reassigned.]
+    expected: FAIL
+
+  [Fire slotchange event on node assignment and when assigned node is removed.]
+    expected: FAIL
+
+  [Fire slotchange event when order of assigned nodes changes.]
+    expected: FAIL
+
+  [Fire slotchange event when assigned node is removed.]
+    expected: FAIL
+
+  [Fire slotchange event when removing a slot from Shadows Root that changes its assigned nodes.]
+    expected: FAIL
+
+  [Fire slotchange event when assign node to nested slot, ensure event bubbles ups.]
+    expected: FAIL
+
+  [Signal a slot change should be done in tree order.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/imperative-slot-api.html.ini b/tests/wpt/meta/shadow-dom/imperative-slot-api.html.ini
new file mode 100644
index 00000000000..37375c88cc2
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/imperative-slot-api.html.ini
@@ -0,0 +1,45 @@
+[imperative-slot-api.html]
+  [attachShadow can take slotAssignment parameter.]
+    expected: FAIL
+
+  [slot.attach() should take variadic not sequence.]
+    expected: FAIL
+
+  [Imperative slot API can assign nodes in manual slot assignment.]
+    expected: FAIL
+
+  [Order of slottables is preserved in manual slot assignment.]
+    expected: FAIL
+
+  [Previously assigned slottable is moved to new slot when it's reassigned.]
+    expected: FAIL
+
+  [Order and assignment of nodes are preserved during multiple assignment in a row.]
+    expected: FAIL
+
+  [Assigning invalid nodes should be allowed.]
+    expected: FAIL
+
+  [Moving a slot to a new host, the slot loses its previously assigned slottables.]
+    expected: FAIL
+
+  [Moving a slot's tree order position within a shadow host has no impact on its assigned slottables.]
+    expected: FAIL
+
+  [Appending slottable to different host, it loses slot assignment. It can be re-assigned within a new host.]
+    expected: FAIL
+
+  [Previously assigned node should not be assigned if slot moved to a new shadow root. The node is re-assigned when moved back.]
+    expected: FAIL
+
+  [Assignment with the same node in parameters should be ignored, first one wins.]
+    expected: FAIL
+
+  [Removing a slot from DOM resets its slottable's slot assignment.]
+    expected: FAIL
+
+  [Nodes can be assigned even if slots or nodes aren't in the same tree.]
+    expected: FAIL
+
+  [Removing a node from the document does not break manually assigned slot linkage.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/imperative-slot-fallback-clear.html.ini b/tests/wpt/meta/shadow-dom/imperative-slot-fallback-clear.html.ini
new file mode 100644
index 00000000000..a78d00d3103
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/imperative-slot-fallback-clear.html.ini
@@ -0,0 +1,2 @@
+[imperative-slot-fallback-clear.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/imperative-slot-initial-fallback.html.ini b/tests/wpt/meta/shadow-dom/imperative-slot-initial-fallback.html.ini
new file mode 100644
index 00000000000..24068147e76
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/imperative-slot-initial-fallback.html.ini
@@ -0,0 +1,6 @@
+[imperative-slot-initial-fallback.html]
+  [Unassigned imperative slot can render text node as the initial fallback]
+    expected: FAIL
+
+  [Unassigned imperative slot can render element as the initial fallback]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/imperative-slot-layout-invalidation-001.html.ini b/tests/wpt/meta/shadow-dom/imperative-slot-layout-invalidation-001.html.ini
new file mode 100644
index 00000000000..f28e88ceed2
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/imperative-slot-layout-invalidation-001.html.ini
@@ -0,0 +1,2 @@
+[imperative-slot-layout-invalidation-001.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/innerHTML-setter.xhtml.ini b/tests/wpt/meta/shadow-dom/innerHTML-setter.xhtml.ini
new file mode 100644
index 00000000000..0fd47ee26c4
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/innerHTML-setter.xhtml.ini
@@ -0,0 +1,2 @@
+[innerHTML-setter.xhtml]
+  expected: ERROR
diff --git a/tests/wpt/meta/shadow-dom/input-element-list.html.ini b/tests/wpt/meta/shadow-dom/input-element-list.html.ini
new file mode 100644
index 00000000000..0927b2ea416
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/input-element-list.html.ini
@@ -0,0 +1,2 @@
+[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
new file mode 100644
index 00000000000..108195160c3
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/input-type-radio.html.ini
@@ -0,0 +1,2 @@
+[input-type-radio.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/layout-slot-no-longer-assigned.html.ini b/tests/wpt/meta/shadow-dom/layout-slot-no-longer-assigned.html.ini
new file mode 100644
index 00000000000..dadc817860c
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/layout-slot-no-longer-assigned.html.ini
@@ -0,0 +1,2 @@
+[layout-slot-no-longer-assigned.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/layout-slot-no-longer-fallback.html.ini b/tests/wpt/meta/shadow-dom/layout-slot-no-longer-fallback.html.ini
new file mode 100644
index 00000000000..da67033986a
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/layout-slot-no-longer-fallback.html.ini
@@ -0,0 +1,2 @@
+[layout-slot-no-longer-fallback.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/leaktests/html-collection.html.ini b/tests/wpt/meta/shadow-dom/leaktests/html-collection.html.ini
new file mode 100644
index 00000000000..9ce3c882b8d
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/leaktests/html-collection.html.ini
@@ -0,0 +1,3 @@
+[html-collection.html]
+  [document.all should not contain shadow nodes]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/offsetParent-across-shadow-boundaries.html.ini b/tests/wpt/meta/shadow-dom/offsetParent-across-shadow-boundaries.html.ini
new file mode 100644
index 00000000000..6ec35fbbfa4
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/offsetParent-across-shadow-boundaries.html.ini
@@ -0,0 +1,48 @@
+[offsetParent-across-shadow-boundaries.html]
+  [offsetParent must return the offset parent in the same shadow tree of open mode]
+    expected: FAIL
+
+  [offsetParent must return the offset parent in the same shadow tree of closed mode]
+    expected: FAIL
+
+  [offsetParent must return the offset parent in the same shadow tree of open mode even when nested]
+    expected: FAIL
+
+  [offsetParent must return the offset parent in the same shadow tree of closed mode even when nested]
+    expected: FAIL
+
+  [offsetParent must skip offset parents of an element when the context object is assigned to a slot in a shadow tree of open mode]
+    expected: FAIL
+
+  [offsetParent must skip offset parents of an element when the context object is assigned to a slot in a shadow tree of closed mode]
+    expected: FAIL
+
+  [offsetParent must skip multiple offset parents of an element when the context object is assigned to a slot in a shadow tree of open mode]
+    expected: FAIL
+
+  [offsetParent must skip multiple offset parents of an element when the context object is assigned to a slot in a shadow tree of closed mode]
+    expected: FAIL
+
+  [offsetParent must skip offset parents of an element when the context object is assigned to a slot in nested shadow trees of open mode]
+    expected: FAIL
+
+  [offsetParent must skip offset parents of an element when the context object is assigned to a slot in nested shadow trees of closed mode]
+    expected: FAIL
+
+  [offsetParent must find the first offset parent which is a shadow-including ancestor of the context object even some shadow tree of open mode did not have any offset parent]
+    expected: FAIL
+
+  [offsetParent must find the first offset parent which is a shadow-including ancestor of the context object even some shadow tree of closed mode did not have any offset parent]
+    expected: FAIL
+
+  [offsetParent must return null on a child element of a shadow host for the shadow tree in open mode which is not assigned to any slot]
+    expected: FAIL
+
+  [offsetParent must return null on a child element of a shadow host for the shadow tree in closed mode which is not assigned to any slot]
+    expected: FAIL
+
+  [offsetParent must return null on a child element of a shadow host for the shadow tree in open mode which is not in the flat tree]
+    expected: FAIL
+
+  [offsetParent must return null on a child element of a shadow host for the shadow tree in closed mode which is not in the flat tree]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/offsetTop-offsetLeft-across-shadow-boundaries.html.ini b/tests/wpt/meta/shadow-dom/offsetTop-offsetLeft-across-shadow-boundaries.html.ini
new file mode 100644
index 00000000000..5ebeb149de3
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/offsetTop-offsetLeft-across-shadow-boundaries.html.ini
@@ -0,0 +1,6 @@
+[offsetTop-offsetLeft-across-shadow-boundaries.html]
+  [Verifies that HTMLElement.offsetTop accounts for shadow boundaries.]
+    expected: FAIL
+
+  [Verifies that HTMLElement.offsetTop accounts for shadow boundaries when nested in multiple shadow roots.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/shadow-root-clonable.html.ini b/tests/wpt/meta/shadow-dom/shadow-root-clonable.html.ini
new file mode 100644
index 00000000000..b2033ddfece
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/shadow-root-clonable.html.ini
@@ -0,0 +1,18 @@
+[shadow-root-clonable.html]
+  [attachShadow with clonable: true]
+    expected: FAIL
+
+  [attachShadow with clonable: false]
+    expected: FAIL
+
+  [attachShadow with clonable: undefined]
+    expected: FAIL
+
+  [declarative shadow roots do *not* get clonable: true automatically]
+    expected: FAIL
+
+  [declarative shadow roots can opt in to clonable with shadowrootclonable]
+    expected: FAIL
+
+  [declarative shadow roots inside templates do *not* get cloned automatically]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/shadow-style-invalidation-vw-units.html.ini b/tests/wpt/meta/shadow-dom/shadow-style-invalidation-vw-units.html.ini
new file mode 100644
index 00000000000..d79a6a7d952
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/shadow-style-invalidation-vw-units.html.ini
@@ -0,0 +1,2 @@
+[shadow-style-invalidation-vw-units.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-001.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-001.html.ini
new file mode 100644
index 00000000000..83f6ae3c108
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-001.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-001.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-002.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-002.html.ini
new file mode 100644
index 00000000000..736c991275c
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-002.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-002.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-003.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-003.html.ini
new file mode 100644
index 00000000000..6bcd7a3f667
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-003.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-003.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-004.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-004.html.ini
new file mode 100644
index 00000000000..b3b7d494e84
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-004.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-004.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-005.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-005.html.ini
new file mode 100644
index 00000000000..3bf06ac5e71
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-005.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-005.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-006.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-006.html.ini
new file mode 100644
index 00000000000..b417a9e4eea
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-006.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-006.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-007.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-007.html.ini
new file mode 100644
index 00000000000..458b7c8fca3
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-007.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-007.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slot-fallback-content-008.html.ini b/tests/wpt/meta/shadow-dom/slot-fallback-content-008.html.ini
new file mode 100644
index 00000000000..d6b140847f3
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slot-fallback-content-008.html.ini
@@ -0,0 +1,2 @@
+[slot-fallback-content-008.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slotchange-customelements.html.ini b/tests/wpt/meta/shadow-dom/slotchange-customelements.html.ini
new file mode 100644
index 00000000000..501acdec58b
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slotchange-customelements.html.ini
@@ -0,0 +1,2 @@
+[slotchange-customelements.html]
+  expected: ERROR
diff --git a/tests/wpt/meta/shadow-dom/slotchange-event.html.ini b/tests/wpt/meta/shadow-dom/slotchange-event.html.ini
new file mode 100644
index 00000000000..e281b12ffee
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slotchange-event.html.ini
@@ -0,0 +1,2 @@
+[slotchange-event.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slotchange.html.ini b/tests/wpt/meta/shadow-dom/slotchange.html.ini
new file mode 100644
index 00000000000..eb461ae9b4f
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slotchange.html.ini
@@ -0,0 +1,49 @@
+[slotchange.html]
+  expected: TIMEOUT
+  [slotchange event: Append a child to a host.]
+    expected: TIMEOUT
+
+  [slotchange event: Remove a child from a host.]
+    expected: TIMEOUT
+
+  [slotchange event: Remove a child before adding an event listener.]
+    expected: TIMEOUT
+
+  [slotchange event: Change slot= attribute to make it un-assigned.]
+    expected: TIMEOUT
+
+  [slotchange event: Change slot's name= attribute so that none is assigned.]
+    expected: TIMEOUT
+
+  [slotchange event: Change slot= attribute to make it assigned.]
+    expected: TIMEOUT
+
+  [slotchange event: Change slot's name= attribute so that a node is assigned to the slot.]
+    expected: TIMEOUT
+
+  [slotchange event: Change fallback content - assignedNodes still empty.]
+    expected: TIMEOUT
+
+  [slotchange event: Remove a fallback content - assignedNodes still empty.]
+    expected: TIMEOUT
+
+  [slotchange event: Add a fallback content to nested slots - assignedNodes still empty.]
+    expected: TIMEOUT
+
+  [slotchange event: Remove a fallback content from nested slots - assignedNodes still empty.]
+    expected: TIMEOUT
+
+  [slotchange event: Insert a slot before an existing slot.]
+    expected: TIMEOUT
+
+  [slotchange event: Remove a preceding slot.]
+    expected: TIMEOUT
+
+  [slotchange event: A slot is assigned to another slot.]
+    expected: TIMEOUT
+
+  [slotchange event: Slotchange should be fired if assigned nodes are changed.]
+    expected: TIMEOUT
+
+  [slotchange event: Child content is added to nested slots.]
+    expected: TIMEOUT
diff --git a/tests/wpt/meta/shadow-dom/slots-fallback-in-document.html.ini b/tests/wpt/meta/shadow-dom/slots-fallback-in-document.html.ini
new file mode 100644
index 00000000000..5dd67c1f447
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slots-fallback-in-document.html.ini
@@ -0,0 +1,6 @@
+[slots-fallback-in-document.html]
+  [Children of a slot in a document tree should not be counted in flattened assigned nodes.]
+    expected: FAIL
+
+  [Slot fallback content in shadow tree should be counted in flattened assigned nodes.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/slots-fallback.html.ini b/tests/wpt/meta/shadow-dom/slots-fallback.html.ini
new file mode 100644
index 00000000000..2e7c99956cc
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slots-fallback.html.ini
@@ -0,0 +1,39 @@
+[slots-fallback.html]
+  [Slots fallback: Basic.]
+    expected: FAIL
+
+  [Slots fallback: Basic, elements only.]
+    expected: FAIL
+
+  [Slots fallback: Slots in Slots.]
+    expected: FAIL
+
+  [Slots fallback: Slots in Slots, elements only.]
+    expected: FAIL
+
+  [Slots fallback: Fallback contents should not be used if a node is assigned.]
+    expected: FAIL
+
+  [Slots fallback: Slots in Slots: Assigned nodes should be used as fallback contents of another slot]
+    expected: FAIL
+
+  [Slots fallback: Complex case.]
+    expected: FAIL
+
+  [Slots fallback: Complex case, elements only.]
+    expected: FAIL
+
+  [Slots fallback: Mutation. Append fallback contents.]
+    expected: FAIL
+
+  [Slots fallback: Mutation. Remove fallback contents.]
+    expected: FAIL
+
+  [Slots fallback: Mutation. Assign a node to a slot so that fallback contens are no longer used.]
+    expected: FAIL
+
+  [Slots fallback: Mutation. Remove an assigned node from a slot so that fallback contens will be used.]
+    expected: FAIL
+
+  [Slots fallback: Mutation.  Remove a slot which is a fallback content of another slot.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/slots-outside-shadow-dom.html.ini b/tests/wpt/meta/shadow-dom/slots-outside-shadow-dom.html.ini
new file mode 100644
index 00000000000..9e4d52a0a95
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slots-outside-shadow-dom.html.ini
@@ -0,0 +1,2 @@
+[slots-outside-shadow-dom.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/slots.html.ini b/tests/wpt/meta/shadow-dom/slots.html.ini
new file mode 100644
index 00000000000..aeb985ce493
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/slots.html.ini
@@ -0,0 +1,78 @@
+[slots.html]
+  [Slots: Basic.]
+    expected: FAIL
+
+  [Slots: Basic, elements only.]
+    expected: FAIL
+
+  [Slots: Slots in closed.]
+    expected: FAIL
+
+  [Slots: Slots in closed, elements only.]
+    expected: FAIL
+
+  [Slots: Slots not in a shadow tree.]
+    expected: FAIL
+
+  [Slots: Slots not in a shadow tree, elements only.]
+    expected: FAIL
+
+  [Slots: Distributed nodes for Slots not in a shadow tree.]
+    expected: FAIL
+
+  [Slots: Name matching]
+    expected: FAIL
+
+  [Slots: No direct host child.]
+    expected: FAIL
+
+  [Slots: Default Slot.]
+    expected: FAIL
+
+  [Slots: Slot in Slot does not matter in assignment.]
+    expected: FAIL
+
+  [Slots: Slot is assigned to another slot]
+    expected: FAIL
+
+  [Slots: Open > Closed.]
+    expected: FAIL
+
+  [Slots: Closed > Closed.]
+    expected: FAIL
+
+  [Slots: Closed > Open.]
+    expected: FAIL
+
+  [Slots: Complex case: Basi line.]
+    expected: FAIL
+
+  [Slots: Mutation: appendChild.]
+    expected: FAIL
+
+  [Slots: Mutation: Change slot= attribute 1.]
+    expected: FAIL
+
+  [Slots: Mutation: Change slot= attribute 2.]
+    expected: FAIL
+
+  [Slots: Mutation: Change slot= attribute 3.]
+    expected: FAIL
+
+  [Slots: Mutation: Remove a child.]
+    expected: FAIL
+
+  [Slots: Mutation: Add a slot: after.]
+    expected: FAIL
+
+  [Slots: Mutation: Add a slot: before.]
+    expected: FAIL
+
+  [Slots: Mutation: Remove a slot.]
+    expected: FAIL
+
+  [Slots: Mutation: Change slot name= attribute.]
+    expected: FAIL
+
+  [Slots: Mutation: Change slot slot= attribute.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/extensions-to-element-interface/attributes/test-006.html.ini b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/extensions-to-element-interface/attributes/test-006.html.ini
new file mode 100644
index 00000000000..cffed0d3bbc
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/extensions-to-element-interface/attributes/test-006.html.ini
@@ -0,0 +1,3 @@
+[test-006.html]
+  [A_10_02_01_06_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/extensions-to-element-interface/methods/test-002.html.ini b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/extensions-to-element-interface/methods/test-002.html.ini
new file mode 100644
index 00000000000..978d96e75cf
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/extensions-to-element-interface/methods/test-002.html.ini
@@ -0,0 +1,2 @@
+[test-002.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-007.html.ini b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-007.html.ini
new file mode 100644
index 00000000000..58ff678ed90
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-007.html.ini
@@ -0,0 +1,3 @@
+[test-007.html]
+  [A_10_01_01_03_01_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-009.html.ini b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-009.html.ini
new file mode 100644
index 00000000000..057925a0bf9
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-009.html.ini
@@ -0,0 +1,3 @@
+[test-009.html]
+  [A_10_01_01_04_01_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-010.html.ini b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-010.html.ini
new file mode 100644
index 00000000000..825c2004515
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-attributes/test-010.html.ini
@@ -0,0 +1,3 @@
+[test-010.html]
+  [A_10_01_01_04_02_T01_02]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-methods/test-004.html.ini b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-methods/test-004.html.ini
new file mode 100644
index 00000000000..b24d4d99677
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-methods/test-004.html.ini
@@ -0,0 +1,3 @@
+[test-004.html]
+  [A_10_01_02_04_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-methods/test-010.html.ini b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-methods/test-010.html.ini
new file mode 100644
index 00000000000..b36a91d4af1
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/elements-and-dom-objects/shadowroot-object/shadowroot-methods/test-010.html.ini
@@ -0,0 +1,3 @@
+[test-010.html]
+  [A_10_01_02_09_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/events/event-dispatch/test-002.html.ini b/tests/wpt/meta/shadow-dom/untriaged/events/event-dispatch/test-002.html.ini
new file mode 100644
index 00000000000..65105356079
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/events/event-dispatch/test-002.html.ini
@@ -0,0 +1,3 @@
+[test-002.html]
+  [A_05_05_02_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/events/event-dispatch/test-003.html.ini b/tests/wpt/meta/shadow-dom/untriaged/events/event-dispatch/test-003.html.ini
new file mode 100644
index 00000000000..a2b0b97e56f
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/events/event-dispatch/test-003.html.ini
@@ -0,0 +1,2 @@
+[test-003.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/events/event-retargeting/test-003.html.ini b/tests/wpt/meta/shadow-dom/untriaged/events/event-retargeting/test-003.html.ini
new file mode 100644
index 00000000000..a2b0b97e56f
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/events/event-retargeting/test-003.html.ini
@@ -0,0 +1,2 @@
+[test-003.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-001.html.ini
new file mode 100644
index 00000000000..7eb350cb161
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-001.html.ini
@@ -0,0 +1,2 @@
+[test-001.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-002.html.ini b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-002.html.ini
new file mode 100644
index 00000000000..806ccde1f64
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-002.html.ini
@@ -0,0 +1,3 @@
+[test-002.html]
+  [A_05_03_02_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-003.html.ini b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-003.html.ini
new file mode 100644
index 00000000000..f7156356396
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-focus-events/test-003.html.ini
@@ -0,0 +1,3 @@
+[test-003.html]
+  [A_05_03_03_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-relatedtarget/test-002.html.ini b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-relatedtarget/test-002.html.ini
new file mode 100644
index 00000000000..7a22e823590
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/events/retargeting-relatedtarget/test-002.html.ini
@@ -0,0 +1,3 @@
+[test-002.html]
+  [A_05_02_02_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/html-elements-in-shadow-trees/inert-html-elements/test-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/html-elements-in-shadow-trees/inert-html-elements/test-001.html.ini
new file mode 100644
index 00000000000..eb109c459c9
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/html-elements-in-shadow-trees/inert-html-elements/test-001.html.ini
@@ -0,0 +1,3 @@
+[test-001.html]
+  [A_08_01_01_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/nested-shadow-trees/nested_tree_reftest.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/nested-shadow-trees/nested_tree_reftest.html.ini
new file mode 100644
index 00000000000..b6681ba0e7d
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/nested-shadow-trees/nested_tree_reftest.html.ini
@@ -0,0 +1,2 @@
+[nested_tree_reftest.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/reprojection/reprojection-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/reprojection/reprojection-001.html.ini
new file mode 100644
index 00000000000..93d3406a544
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/reprojection/reprojection-001.html.ini
@@ -0,0 +1,2 @@
+[reprojection-001.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/shadow-root-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/shadow-root-001.html.ini
new file mode 100644
index 00000000000..9fe59c6ff27
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/shadow-root-001.html.ini
@@ -0,0 +1,2 @@
+[shadow-root-001.html]
+  expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/shadow-root-002.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/shadow-root-002.html.ini
new file mode 100644
index 00000000000..6f8fed5fe75
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/shadow-root-002.html.ini
@@ -0,0 +1,2 @@
+[shadow-root-002.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/dom-tree-accessors-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/dom-tree-accessors-001.html.ini
new file mode 100644
index 00000000000..5c9aa9bdd7d
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/dom-tree-accessors-001.html.ini
@@ -0,0 +1,12 @@
+[dom-tree-accessors-001.html]
+  [The content of title element in a shadow tree should not be accessible from owner document's "title" attribute.]
+    expected: FAIL
+
+  [Elements in a shadow tree should not be accessible from owner document's getElementsByName() method.]
+    expected: FAIL
+
+  [Elements in a shadow tree should not be accessible from owner document's "all" attribute.]
+    expected: FAIL
+
+  [Elements in a shadow tree should not be accessible from owner document's getElementById() method.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/selectors-api-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/selectors-api-001.html.ini
new file mode 100644
index 00000000000..b8dd91e20ff
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/selectors-api-001.html.ini
@@ -0,0 +1,6 @@
+[selectors-api-001.html]
+  [Elements in a shadow tree should not be accessible from owner document's querySelector() method.]
+    expected: FAIL
+
+  [Elements in a shadow tree should not be accessible from owner document's querySelectorAll() method.]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/test-007.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/test-007.html.ini
new file mode 100644
index 00000000000..dbb820f03d0
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/test-007.html.ini
@@ -0,0 +1,3 @@
+[test-007.html]
+  [A_04_01_07_T02]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/test-009.html.ini b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/test-009.html.ini
new file mode 100644
index 00000000000..a7be7076026
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/test-009.html.ini
@@ -0,0 +1,33 @@
+[test-009.html]
+  [A_04_01_09_T01]
+    expected: FAIL
+
+  [A_04_01_09_T03]
+    expected: FAIL
+
+  [A_04_01_09_T05]
+    expected: FAIL
+
+  [A_04_01_09_T08]
+    expected: FAIL
+
+  [A_04_01_09_T09]
+    expected: FAIL
+
+  [A_04_01_09_T10]
+    expected: FAIL
+
+  [A_04_01_09_T11]
+    expected: FAIL
+
+  [A_04_01_09_T12]
+    expected: FAIL
+
+  [A_04_01_09_T14]
+    expected: FAIL
+
+  [A_04_01_09_T15]
+    expected: FAIL
+
+  [A_04_01_09_T16]
+    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
new file mode 100644
index 00000000000..50a3e66c295
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/shadow-trees/upper-boundary-encapsulation/window-named-properties-001.html.ini
@@ -0,0 +1,2 @@
+[window-named-properties-001.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/meta/shadow-dom/untriaged/styles/test-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/styles/test-001.html.ini
new file mode 100644
index 00000000000..010d6cf6e7b
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/styles/test-001.html.ini
@@ -0,0 +1,6 @@
+[test-001.html]
+  [A_06_00_01_T01]
+    expected: FAIL
+
+  [A_06_00_01_T02]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/styles/test-003.html.ini b/tests/wpt/meta/shadow-dom/untriaged/styles/test-003.html.ini
new file mode 100644
index 00000000000..9e4dd7f5950
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/styles/test-003.html.ini
@@ -0,0 +1,3 @@
+[test-003.html]
+  [A_06_00_03_T03]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/styles/test-008.html.ini b/tests/wpt/meta/shadow-dom/untriaged/styles/test-008.html.ini
new file mode 100644
index 00000000000..52f3c0eaada
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/styles/test-008.html.ini
@@ -0,0 +1,2 @@
+[test-008.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/user-interaction/active-element/test-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/active-element/test-001.html.ini
new file mode 100644
index 00000000000..88b1f2d95d0
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/active-element/test-001.html.ini
@@ -0,0 +1,3 @@
+[test-001.html]
+  [A_07_03_01_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/user-interaction/active-element/test-002.html.ini b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/active-element/test-002.html.ini
new file mode 100644
index 00000000000..2afc1ba2bea
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/active-element/test-002.html.ini
@@ -0,0 +1,3 @@
+[test-002.html]
+  [A_07_03_02_T01]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/user-interaction/editing/inheritance-of-content-editable-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/editing/inheritance-of-content-editable-001.html.ini
new file mode 100644
index 00000000000..679c1c6d9a8
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/editing/inheritance-of-content-editable-001.html.ini
@@ -0,0 +1,6 @@
+[inheritance-of-content-editable-001.html]
+  [contentEditable of shadow trees must be undefined when contentEditable attribute of shadow host is "true"]
+    expected: FAIL
+
+  [contentEditable of shadow trees must be undefined when contentEditable of shadow host is "false"]
+    expected: FAIL
diff --git a/tests/wpt/meta/shadow-dom/untriaged/user-interaction/ranges-and-selections/test-001.html.ini b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/ranges-and-selections/test-001.html.ini
new file mode 100644
index 00000000000..7eb350cb161
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/ranges-and-selections/test-001.html.ini
@@ -0,0 +1,2 @@
+[test-001.html]
+  expected: CRASH
diff --git a/tests/wpt/meta/shadow-dom/untriaged/user-interaction/ranges-and-selections/test-002.html.ini b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/ranges-and-selections/test-002.html.ini
new file mode 100644
index 00000000000..978d96e75cf
--- /dev/null
+++ b/tests/wpt/meta/shadow-dom/untriaged/user-interaction/ranges-and-selections/test-002.html.ini
@@ -0,0 +1,2 @@
+[test-002.html]
+  expected: CRASH