Invoke backup element queue via a microtask

tests/wpt/metadata/custom-elements/adopted-callback.html.ini

@@ -129,3 +129,48 @@
   [Custom Elements: adoptedCallback]
     expected: FAIL
 
+  [Inserting a custom element into the owner document must not enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into the document of the template elements must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Moving 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 new document must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Moving a custom element from the owner document into a new document must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into a cloned document must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Moving a custom element from the owner document into a cloned document must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into a document created by createHTMLDocument must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Moving 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 an HTML document created by createDocument must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Moving 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 the document of an iframe must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Moving 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 an HTML document fetched by XHR must enqueue and invoke adoptedCallback]
+    expected: FAIL
+
+  [Moving a custom element from the owner document into an HTML document fetched by XHR must enqueue and invoke adoptedCallback]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/connected-callbacks.html.ini

@@ -99,3 +99,27 @@
   [Custom Elements: connectedCallback]
     expected: FAIL
 
+  [Inserting a custom element into the document must enqueue and invoke connectedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into the document of the template elements must enqueue and invoke connectedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into a new document must enqueue and invoke connectedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into a cloned document must enqueue and invoke connectedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into a document created by createHTMLDocument must enqueue and invoke connectedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into an HTML document created by createDocument must enqueue and invoke connectedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into the document of an iframe must enqueue and invoke connectedCallback]
+    expected: FAIL
+
+  [Inserting a custom element into an HTML document fetched by XHR must enqueue and invoke connectedCallback]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/disconnected-callbacks.html.ini

@@ -75,3 +75,51 @@
   [Custom Elements: disconnectedCallback]
     expected: FAIL
 
+  [Removing a custom element from the document must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from the document must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing a custom element from the document of the template elements must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from the document of the template elements must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing a custom element from a new document must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from a new document must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing a custom element from a cloned document must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from a cloned document must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing a custom element from a document created by createHTMLDocument must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from a document created by createHTMLDocument must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing a custom element from an HTML document created by createDocument must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from an HTML document created by createDocument must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing a custom element from the document of an iframe must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from the document of an iframe must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing a custom element from an HTML document fetched by XHR must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+
+  [Removing an ancestor of custom element from an HTML document fetched by XHR must enqueue and invoke disconnectedCallback]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/ChildNode.html.ini

@@ -0,0 +1,23 @@
+[ChildNode.html]
+  type: testharness
+  [before on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [before on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [after on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [after on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [replaceWith on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [replaceWith on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [replaceWith on ChildNode must enqueue a disconnected reaction]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/Document.html.ini

@@ -21,3 +21,15 @@
   [importNode on Document must construct a new custom element when importing a custom element from a template]
     expected: FAIL
 
+  [adoptNode on Document must enqueue an adopted reaction when importing a custom element]
+    expected: FAIL
+
+  [title on Document must enqueue disconnectedCallback when removing a custom element]
+    expected: FAIL
+
+  [write on Document must enqueue connectedCallback after constructing a custom element]
+    expected: FAIL
+
+  [writeln on Document must enqueue connectedCallback after constructing a custom element]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/Element.html.ini

@@ -69,3 +69,15 @@
   [insertAdjacentHTML on Element must enqueue a attributeChanged reaction for a newly constructed custom element]
     expected: FAIL
 
+  [insertAdjacentElement on Element must enqueue a connected reaction]
+    expected: FAIL
+
+  [insertAdjacentElement on Element must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [innerHTML on Element must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [outerHTML on Element must enqueue a disconnected reaction]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/HTMLOptionsCollection.html.ini

@@ -6,3 +6,12 @@
   [add on HTMLOptionsCollection must enqueue connectedCallback when inserting a custom element]
     expected: FAIL
 
+  [length on HTMLOptionsCollection must enqueue disconnectedCallback when removing a custom element]
+    expected: FAIL
+
+  [The indexed setter on HTMLOptionsCollection must enqueue disconnectedCallback when removing a custom element]
+    expected: FAIL
+
+  [remove on HTMLOptionsCollection must enqueue disconnectedCallback when removing a custom element]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/HTMLSelectElement.html.ini

@@ -9,3 +9,9 @@
   [add on HTMLSelectElement must enqueue connectedCallback when inserting a custom element]
     expected: FAIL
 
+  [length on HTMLSelectElement must enqueue disconnectedCallback when removing a custom element]
+    expected: FAIL
+
+  [remove on HTMLSelectElement must enqueue disconnectedCallback when removing a custom element]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/HTMLTitleElement.html.ini

@@ -0,0 +1,5 @@
+[HTMLTitleElement.html]
+  type: testharness
+  [text on HTMLTitleElement must enqueue disconnectedCallback when removing a custom element]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/Node.html.ini

@@ -15,3 +15,24 @@
   [cloneNode on Node must enqueue an attributeChanged reaction when cloning an element only for observed attributes]
     expected: FAIL
 
+  [insertBefore on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [insertBefore on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [appendChild on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [appendChild on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [replaceChild on ChildNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [replaceChild on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [removeChild on ChildNode must enqueue a disconnected reaction]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/ParentNode.html.ini

@@ -0,0 +1,14 @@
+[ParentNode.html]
+  type: testharness
+  [prepend on ParentNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [prepend on ParentNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [append on ParentNode must enqueue a connected reaction]
+    expected: FAIL
+
+  [append on ParentNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+

tests/wpt/metadata/custom-elements/reactions/Range.html.ini

@@ -15,3 +15,18 @@
   [createContextualFragment on Range must construct a custom element]
     expected: FAIL
 
+  [deleteContents on Range must enqueue a disconnected reaction]
+    expected: FAIL
+
+  [insertNode on Range must enqueue a connected reaction]
+    expected: FAIL
+
+  [insertNode on Range must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+
+  [surroundContents on Range must enqueue a connected reaction]
+    expected: FAIL
+
+  [surroundContents on Range must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document]
+    expected: FAIL
+