diff --git a/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini
new file mode 100644
index 00000000000..a9005e45d6e
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini
@@ -0,0 +1,8 @@
+[url-charset.window.html]
+  expected: TIMEOUT
+  [Blob charset should override any auto-detected charset.]
+    expected: TIMEOUT
+
+  [Blob charset should override <meta charset>.]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini
index 3605e8f3fc9..76b44d9e9cf 100644
--- a/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini
@@ -4,7 +4,7 @@
     expected: TIMEOUT
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Fetching a blob URL immediately before revoking it works in an iframe.]
     expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
new file mode 100644
index 00000000000..f29da48a2a0
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-003.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
index 1e7ee4e99d3..2469a7e1361 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
@@ -315,15 +315,15 @@
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: separate response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
index d2df9b78483..8d0261f22a0 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
@@ -56,3 +56,6 @@
   [separate text/javascript x/x]
     expected: FAIL
 
+  [separate text/javascript; charset=windows-1252 text/javascript]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 00000000000..385376c7321
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html.ini b/tests/wpt/metadata-layout-2020/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html.ini
new file mode 100644
index 00000000000..a3c0e04a56f
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html.ini
@@ -0,0 +1,289 @@
+[legend-display.html]
+  [rendered legend with display: table; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text-container]
+    expected: FAIL
+
+  [rendered legend with display: inline-grid; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby]
+    expected: FAIL
+
+  [rendered legend with display: grid; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-column-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-caption]
+    expected: FAIL
+
+  [rendered legend with display: block ruby; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-column; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: grid]
+    expected: FAIL
+
+  [rendered legend with display: flex]
+    expected: FAIL
+
+  [rendered legend with display: inline-block; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-flex; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-footer-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-row-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-flex]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base-container; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column-group]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text-container; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline]
+    expected: FAIL
+
+  [rendered legend with display: flow-root; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base-container]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: run-in; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: run-in; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: block ruby; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: flow-root]
+    expected: FAIL
+
+  [rendered legend with display: table-footer-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-header-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-flex; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-grid]
+    expected: FAIL
+
+  [rendered legend with display: ruby; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: list-item; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flow-root; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-grid; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-header-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: block ruby; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base-container; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flex; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-footer-group]
+    expected: FAIL
+
+  [rendered legend with display: table]
+    expected: FAIL
+
+  [rendered legend with display: table-row-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-flex; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text-container; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: run-in]
+    expected: FAIL
+
+  [rendered legend with display: table-header-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-cell; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: block ruby]
+    expected: FAIL
+
+  [rendered legend with display: inline-grid; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base-container; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-column; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flow-root; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-caption; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flex; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row-group]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text-container; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: grid; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-caption; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-cell; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-header-group]
+    expected: FAIL
+
+  [rendered legend with display: table-caption; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: list-item]
+    expected: FAIL
+
+  [rendered legend with display: list-item; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-block; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-cell]
+    expected: FAIL
+
+  [rendered legend with display: flex; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text]
+    expected: FAIL
+
+  [rendered legend with display: list-item; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: grid; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-footer-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-row-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: run-in; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-block; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-block]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base]
+    expected: FAIL
+
+  [rendered legend with display: table-cell; overflow:hidden]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini
index 88f4ddd0e9a..42ebcc9d57e 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_escaping-1.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: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
index 338d283eb0e..295031c1812 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
@@ -1,4 +1,5 @@
 [iframe_sandbox_popups_escaping-3.html]
+  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/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
index 9eb581fcf1f..0407f0cc2b7 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_nonescaping-2.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index 7a36937927c..f4f994c5d6f 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,4 +1,5 @@
 [iframe_sandbox_popups_nonescaping-3.html]
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: FAIL
+    expected: NOTRUN
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-2.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-2.html.ini
new file mode 100644
index 00000000000..633a99517d3
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-2.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit-2.html]
+  [preventDefault should allow onclick submit() to succeed]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
new file mode 100644
index 00000000000..9f416703229
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit-3.html]
+  [<button> should have the same double-submit protection as <input type=submit>]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/forms/textfieldselection/select-event.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/forms/textfieldselection/select-event.html.ini
index cfb255787df..7e0021a4d8f 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/forms/textfieldselection/select-event.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/forms/textfieldselection/select-event.html.ini
@@ -2,57 +2,18 @@
   [input type search: setRangeText() a second time (must not fire select)]
     expected: FAIL
 
-  [input type tel: selectionDirection a second time (must not fire select)]
-    expected: FAIL
-
-  [input type tel: select() a second time (must not fire select)]
-    expected: FAIL
-
-  [textarea: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
   [input type text: selectionEnd a second time (must not fire select)]
     expected: FAIL
 
-  [input type tel: setRangeText() a second time (must not fire select)]
-    expected: FAIL
-
-  [input type search: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [input type text: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [input type password: setRangeText() a second time (must not fire select)]
-    expected: FAIL
-
-  [input type tel: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [textarea: selectionStart out of range a second time (must not fire select)]
-    expected: FAIL
-
   [input type url: setRangeText() a second time (must not fire select)]
     expected: FAIL
 
-  [textarea: selectionEnd a second time (must not fire select)]
-    expected: FAIL
-
   [input type password: select() a second time (must not fire select)]
     expected: FAIL
 
-  [input type password: selectionStart a second time (must not fire select)]
-    expected: FAIL
-
   [input type url: selectionStart out of range a second time (must not fire select)]
     expected: FAIL
 
-  [input type tel: selectionStart out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [input type text: selectionEnd out of range a second time (must not fire select)]
-    expected: FAIL
-
   [input type search: selectionEnd a second time (must not fire select)]
     expected: FAIL
 
@@ -68,3 +29,33 @@
   [input type url: setSelectionRange out of range a second time (must not fire select)]
     expected: FAIL
 
+  [input type tel: selectionEnd out of range a second time (must not fire select)]
+    expected: FAIL
+
+  [textarea: selectionDirection a second time (must not fire select)]
+    expected: FAIL
+
+  [input type url: selectionEnd a second time (must not fire select)]
+    expected: FAIL
+
+  [input type password: selectionEnd out of range a second time (must not fire select)]
+    expected: FAIL
+
+  [textarea: setSelectionRange() a second time (must not fire select)]
+    expected: FAIL
+
+  [input type tel: setSelectionRange() a second time (must not fire select)]
+    expected: FAIL
+
+  [input type url: selectionDirection a second time (must not fire select)]
+    expected: FAIL
+
+  [input type text: selectionDirection a second time (must not fire select)]
+    expected: FAIL
+
+  [input type text: selectionStart out of range a second time (must not fire select)]
+    expected: FAIL
+
+  [input type search: selectionStart a second time (must not fire select)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini
new file mode 100644
index 00000000000..a9677391662
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini
@@ -0,0 +1,4 @@
+[DOMContentLoaded-defer.html]
+  [The end: DOMContentLoaded and defer scripts]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
deleted file mode 100644
index 59a54fe88e4..00000000000
--- a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[module-delayed.html]
-  [async document.write in a module]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
new file mode 100644
index 00000000000..fca4d908c89
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
@@ -0,0 +1,4 @@
+[module-static-import-delayed.html]
+  [document.write in an imported module]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
index 66bd350083b..a56bad443a2 100644
--- a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
+++ b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
@@ -1,4 +1,5 @@
 [realtimeanalyser-fft-scaling.html]
+  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
index f1281b5ae81..b7e13cf7726 100644
--- a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
+++ b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
@@ -1,5 +1,4 @@
 [audiocontext-not-fully-active.html]
-  expected: TIMEOUT
   [frame in navigated remote-site frame]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/webmessaging/with-ports/018.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/with-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/webmessaging/with-ports/018.html.ini
@@ -0,0 +1,5 @@
+[018.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, javascript:]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
new file mode 100644
index 00000000000..064cf47545b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
@@ -0,0 +1,5 @@
+[017.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, about:blank]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata-layout-2020/workers/constructors/Worker/Worker-constructor.html.ini b/tests/wpt/metadata-layout-2020/workers/constructors/Worker/Worker-constructor.html.ini
new file mode 100644
index 00000000000..80f9a4f15b8
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/workers/constructors/Worker/Worker-constructor.html.ini
@@ -0,0 +1,2 @@
+[Worker-constructor.html]
+  expected: ERROR
diff --git a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
new file mode 100644
index 00000000000..a9005e45d6e
--- /dev/null
+++ b/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
@@ -0,0 +1,8 @@
+[url-charset.window.html]
+  expected: TIMEOUT
+  [Blob charset should override any auto-detected charset.]
+    expected: TIMEOUT
+
+  [Blob charset should override <meta charset>.]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
index faa00f45ecf..d4f62ed7113 100644
--- a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
@@ -7,7 +7,7 @@
     expected: FAIL
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Opening a blob URL in a noopener about:blank window immediately before revoking it works.]
     expected: TIMEOUT
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 14c853806be..ad2972f6a64 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -2825,13 +2825,6 @@
    },
    "clipboard-apis": {
     "events": {
-     "copy-event-manual.html": [
-      "9f9f1950e7cad11da8cc9e8984f130e182d64d64",
-      [
-       null,
-       {}
-      ]
-     ],
      "cut-event-manual.html": [
       "72c11ec3b98a7839ba6ba22b0340664dcc9782c2",
       [
@@ -183942,6 +183935,19 @@
        {}
       ]
      ],
+     "row-group-order.html": [
+      "06c0f3bd9651a188c06cfd8a7bf14f07f0ce2c20",
+      [
+       null,
+       [
+        [
+         "/css/css-tables/row-group-order-ref.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "row-margin-border-padding.html": [
       "c6606d941e86f36f12216f28520f6dcb66ef7926",
       [
@@ -321215,6 +321221,10 @@
       "aa3e68e6ab2830a817f8612e240888c2cc6e7a6a",
       []
      ],
+     "row-group-order-ref.html": [
+      "63087671c5fbd5921724df8675bbda13cf0c758c",
+      []
+     ],
      "row-margin-border-padding-ref.html": [
       "68cbcfc9c1ec6aa1fb940f5b26735e3b2fa3587e",
       []
@@ -353039,7 +353049,7 @@
      []
     ],
     "html.idl": [
-     "bb44c1327471ec25b7fefac25758335ea0ae7c51",
+     "7f2eba2c7aee694e788e9c3f52cdb4f23315730d",
      []
     ],
     "idle-detection.tentative.idl": [
@@ -372688,7 +372698,7 @@
       ]
      },
      "setup.py": [
-      "a9cc95f4c1a532b5682de4db367899ad9c5de284",
+      "fdd8566435a1c8269487b01aab24c123534144b7",
       []
      ],
      "tests": {
@@ -374122,7 +374132,7 @@
       ]
      },
      "urn-uuid.har": [
-      "e0cea3699ae53beedde24dc55287b7d4407083dd",
+      "d821b768a60ec15453077eadaa84b7a385525434",
       []
      ],
      "wbn": {
@@ -374249,7 +374259,7 @@
        []
       ],
       "urn-uuid.wbn": [
-       "a4bd3efc9cc73e1405bad5209631e0e1e1f352b5",
+       "45db6fefbbe0954affb815a2de1f98abc8ba608e",
        []
       ]
      }
@@ -396874,7 +396884,7 @@
      ]
     ],
     "async-navigator-clipboard-basics.https.html": [
-     "8fbcd11e7e963240f41e2e1ce6c9a0ae26979d3a",
+     "61808a52ceb9b6272a6ce495d328a8feaaf9411a",
      [
       null,
       {}
@@ -396951,7 +396961,7 @@
      ]
     ],
     "clipboard-item.https.html": [
-     "afec778eb99e8605a4c5a1001a2576e1e246b27c",
+     "50af54ccb670979ab86089f10edbc732e8eb1eed",
      [
       null,
       {}
@@ -397002,6 +397012,17 @@
       ]
      ]
     },
+    "events": {
+     "copy-event.html": [
+      "c8c0593a988066decebb1420c7994ee224d5587c",
+      [
+       null,
+       {
+        "testdriver": true
+       }
+      ]
+     ]
+    },
     "feature-policy": {
      "clipboard-read": {
       "clipboard-read-disabled-by-feature-policy.tentative.https.sub.html": [
@@ -484864,7 +484885,7 @@
         ]
        ],
        "legend-display.html": [
-        "914547fc6cdde3e464b28eb7cc9737d17305f9af",
+        "b6c57a67baf06b4fc9043b8140a97e593f80a83f",
         [
          null,
          {}
@@ -546104,7 +546125,7 @@
      ]
     ],
     "urlsearchparams-foreach.any.js": [
-     "7969a0cb11a2712bbbfc2a42c4856f5576531884",
+     "ff19643ac220d123be45f01af45fedde8d2d05c1",
      [
       "url/urlsearchparams-foreach.any.html",
       {}
@@ -550661,6 +550682,13 @@
        {}
       ]
      ],
+     "subframe-from-web-bundle.tentative.html": [
+      "1e5cdd6943ebdc3b66925177fb17fd4004000680",
+      [
+       null,
+       {}
+      ]
+     ],
      "subresource-loading-cross-origin.tentative.html": [
       "b0072ddb1f6b19f5571b22ef35892ffd1d6db0a7",
       [
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
new file mode 100644
index 00000000000..f29da48a2a0
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-003.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index 205ba7d3653..19355147aad 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -315,15 +315,15 @@
   [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: separate response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index d2df9b78483..8d0261f22a0 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -56,3 +56,6 @@
   [separate text/javascript x/x]
     expected: FAIL
 
+  [separate text/javascript; charset=windows-1252 text/javascript]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 00000000000..385376c7321
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html.ini b/tests/wpt/metadata/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html.ini
index e10f148a1ba..ab9d8cce0b7 100644
--- a/tests/wpt/metadata/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html.ini
+++ b/tests/wpt/metadata/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html.ini
@@ -5,9 +5,6 @@
   [rendered legend with display: ruby-text-container]
     expected: FAIL
 
-  [rendered legend with display: flow]
-    expected: FAIL
-
   [rendered legend with display: flow-root]
     expected: FAIL
 
@@ -71,3 +68,222 @@
   [rendered legend with display: table-column]
     expected: FAIL
 
+  [rendered legend with display: table; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-grid; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: grid; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-column-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: block ruby; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-column; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-block; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-flex; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-footer-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-row-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base-container; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text-container; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flow-root; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: run-in; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: run-in; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: block ruby; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-footer-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-header-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-flex; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: list-item; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flow-root; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-grid; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-header-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: block ruby; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base-container; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flex; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-row-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: inline-flex; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text-container; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-header-group; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-cell; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: block ruby]
+    expected: FAIL
+
+  [rendered legend with display: inline-grid; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-base-container; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-column; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flow-root; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-caption; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flex; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text-container; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: grid; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-row; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-caption; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-cell; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-caption; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: list-item; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-block; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: ruby; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: flex; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: list-item; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: grid; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-column; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table-footer-group; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-row-group; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: run-in; overflow:hidden;columns:1]
+    expected: FAIL
+
+  [rendered legend with display: inline-block; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby; columns:1]
+    expected: FAIL
+
+  [rendered legend with display: table; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: ruby-text; overflow:hidden]
+    expected: FAIL
+
+  [rendered legend with display: table-cell; overflow:hidden]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini
index 2a166bb97b7..fc37df7e3fa 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini
@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_escaping-1.html]
   type: testharness
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
index f6a7aca3306..5f60c78e73c 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html.ini
@@ -1,5 +1,6 @@
 [iframe_sandbox_popups_escaping-3.html]
   type: testharness
+  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/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
index 45d8be1c898..d43f38b40cd 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_nonescaping-2.html]
   type: testharness
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index 7a36937927c..f4f994c5d6f 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,4 +1,5 @@
 [iframe_sandbox_popups_nonescaping-3.html]
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: FAIL
+    expected: NOTRUN
 
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-2.html.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-2.html.ini
new file mode 100644
index 00000000000..633a99517d3
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-2.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit-2.html]
+  [preventDefault should allow onclick submit() to succeed]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
new file mode 100644
index 00000000000..9f416703229
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit-3.html]
+  [<button> should have the same double-submit protection as <input type=submit>]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini b/tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini
index cfb255787df..7e0021a4d8f 100644
--- a/tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini
+++ b/tests/wpt/metadata/html/semantics/forms/textfieldselection/select-event.html.ini
@@ -2,57 +2,18 @@
   [input type search: setRangeText() a second time (must not fire select)]
     expected: FAIL
 
-  [input type tel: selectionDirection a second time (must not fire select)]
-    expected: FAIL
-
-  [input type tel: select() a second time (must not fire select)]
-    expected: FAIL
-
-  [textarea: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
   [input type text: selectionEnd a second time (must not fire select)]
     expected: FAIL
 
-  [input type tel: setRangeText() a second time (must not fire select)]
-    expected: FAIL
-
-  [input type search: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [input type text: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [input type password: setRangeText() a second time (must not fire select)]
-    expected: FAIL
-
-  [input type tel: setSelectionRange out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [textarea: selectionStart out of range a second time (must not fire select)]
-    expected: FAIL
-
   [input type url: setRangeText() a second time (must not fire select)]
     expected: FAIL
 
-  [textarea: selectionEnd a second time (must not fire select)]
-    expected: FAIL
-
   [input type password: select() a second time (must not fire select)]
     expected: FAIL
 
-  [input type password: selectionStart a second time (must not fire select)]
-    expected: FAIL
-
   [input type url: selectionStart out of range a second time (must not fire select)]
     expected: FAIL
 
-  [input type tel: selectionStart out of range a second time (must not fire select)]
-    expected: FAIL
-
-  [input type text: selectionEnd out of range a second time (must not fire select)]
-    expected: FAIL
-
   [input type search: selectionEnd a second time (must not fire select)]
     expected: FAIL
 
@@ -68,3 +29,33 @@
   [input type url: setSelectionRange out of range a second time (must not fire select)]
     expected: FAIL
 
+  [input type tel: selectionEnd out of range a second time (must not fire select)]
+    expected: FAIL
+
+  [textarea: selectionDirection a second time (must not fire select)]
+    expected: FAIL
+
+  [input type url: selectionEnd a second time (must not fire select)]
+    expected: FAIL
+
+  [input type password: selectionEnd out of range a second time (must not fire select)]
+    expected: FAIL
+
+  [textarea: setSelectionRange() a second time (must not fire select)]
+    expected: FAIL
+
+  [input type tel: setSelectionRange() a second time (must not fire select)]
+    expected: FAIL
+
+  [input type url: selectionDirection a second time (must not fire select)]
+    expected: FAIL
+
+  [input type text: selectionDirection a second time (must not fire select)]
+    expected: FAIL
+
+  [input type text: selectionStart out of range a second time (must not fire select)]
+    expected: FAIL
+
+  [input type search: selectionStart a second time (must not fire select)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
new file mode 100644
index 00000000000..a9677391662
--- /dev/null
+++ b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
@@ -0,0 +1,4 @@
+[DOMContentLoaded-defer.html]
+  [The end: DOMContentLoaded and defer scripts]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
deleted file mode 100644
index 59a54fe88e4..00000000000
--- a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[module-delayed.html]
-  [async document.write in a module]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
new file mode 100644
index 00000000000..fca4d908c89
--- /dev/null
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini
@@ -0,0 +1,4 @@
+[module-static-import-delayed.html]
+  [document.write in an imported module]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
index 66bd350083b..a56bad443a2 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini
@@ -1,4 +1,5 @@
 [realtimeanalyser-fft-scaling.html]
+  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
index f1281b5ae81..b7e13cf7726 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
@@ -1,5 +1,4 @@
 [audiocontext-not-fully-active.html]
-  expected: TIMEOUT
   [frame in navigated remote-site frame]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/webmessaging/with-ports/018.html.ini b/tests/wpt/metadata/webmessaging/with-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/with-ports/018.html.ini
@@ -0,0 +1,5 @@
+[018.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, javascript:]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/webmessaging/without-ports/017.html.ini b/tests/wpt/metadata/webmessaging/without-ports/017.html.ini
new file mode 100644
index 00000000000..064cf47545b
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/without-ports/017.html.ini
@@ -0,0 +1,5 @@
+[017.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, about:blank]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
new file mode 100644
index 00000000000..80f9a4f15b8
--- /dev/null
+++ b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
@@ -0,0 +1,2 @@
+[Worker-constructor.html]
+  expected: ERROR
diff --git a/tests/wpt/web-platform-tests/clipboard-apis/async-navigator-clipboard-basics.https.html b/tests/wpt/web-platform-tests/clipboard-apis/async-navigator-clipboard-basics.https.html
index 8fbcd11e7e9..61808a52ceb 100644
--- a/tests/wpt/web-platform-tests/clipboard-apis/async-navigator-clipboard-basics.https.html
+++ b/tests/wpt/web-platform-tests/clipboard-apis/async-navigator-clipboard-basics.https.html
@@ -46,6 +46,11 @@ promise_test(async t => {
                          navigator.clipboard.writeText());
 }, 'navigator.clipboard.writeText() fails (expect DOMString)');
 
+promise_test(async () => {
+  const item = new ClipboardItem({'text/plain': 'test'});
+  await navigator.clipboard.write([item]);
+}, 'navigator.clipboard.write({string : DOMString}) succeeds');
+
 promise_test(async () => {
   const fetched = await fetch('/clipboard-apis/resources/greenbox.png');
   const image = await fetched.blob();
@@ -64,6 +69,11 @@ promise_test(async() => {
   await navigator.clipboard.write([item]);
 }, 'navigator.clipboard.write([text + png] succeeds');
 
+promise_test(async t => {
+  const item = new ClipboardItem({'image/png': 'not an image'});
+  await promise_rejects_js(t, TypeError, navigator.clipboard.write([item]));
+}, 'navigator.clipboard.write(image/png DOMString) fails');
+
 promise_test(async () => {
   const result = await navigator.clipboard.read();
   assert_true(result instanceof Object);
diff --git a/tests/wpt/web-platform-tests/clipboard-apis/clipboard-item.https.html b/tests/wpt/web-platform-tests/clipboard-apis/clipboard-item.https.html
index afec778eb99..50af54ccb67 100644
--- a/tests/wpt/web-platform-tests/clipboard-apis/clipboard-item.https.html
+++ b/tests/wpt/web-platform-tests/clipboard-apis/clipboard-item.https.html
@@ -89,4 +89,24 @@ promise_test(async t => {
   promise_rejects_dom(t, "NotFoundError", item.getType('type not in item'));
   promise_rejects_dom(t, "NotFoundError", item.getType('text/plain:subtype'));
 }, "getType(DOMString type) rejects correctly when querying for missing type");
+
+promise_test(async () => {
+  const item =
+      new ClipboardItem({'text/plain': 'abc', 'not a/real type': 'xxx'});
+  const blob = await item.getType('text/plain');
+  assert_equals(blob.type, 'text/plain');
+
+  const text = await (new Response(blob)).text();
+  assert_equals(text, 'abc');
+}, "getType(DOMString valid type) converts DOMString to Blob");
+
+promise_test(async () => {
+  const item =
+      new ClipboardItem({'text/plain': 'abc', 'not a/real type': 'xxx'});
+  const blob = await item.getType('not a/real type');
+  assert_equals(blob.type, 'not a/real type');
+
+  const text = await (new Response(blob)).text();
+  assert_equals(text, 'xxx');
+}, "getType(DOMString invalid type) converts DOMString to Blob");
 </script>
diff --git a/tests/wpt/web-platform-tests/clipboard-apis/events/copy-event-manual.html b/tests/wpt/web-platform-tests/clipboard-apis/events/copy-event.html
similarity index 55%
rename from tests/wpt/web-platform-tests/clipboard-apis/events/copy-event-manual.html
rename to tests/wpt/web-platform-tests/clipboard-apis/events/copy-event.html
index 9f9f1950e7c..c8c0593a988 100644
--- a/tests/wpt/web-platform-tests/clipboard-apis/events/copy-event-manual.html
+++ b/tests/wpt/web-platform-tests/clipboard-apis/events/copy-event.html
@@ -3,11 +3,23 @@
 <link rel="help" href="https://w3c.github.io/clipboard-apis/#clipboard-event-copy">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-actions.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
 <div id=log></div>
-<p>Select and copy any part of this text to continue.
+<button id="copy">Trigger copy</button>
+<input id="copyTarget" value="this text should be copied">
 <script>
-setup({explicit_timeout: true});
 async_test(t => {
+  let button = document.getElementById("copy");
+
+  button.addEventListener("click", function(e) {
+    let input = document.getElementById("copyTarget");
+    input.focus();
+    input.select();
+    document.execCommand("copy");
+  });
+
   document.oncopy = t.step_func_done(event => {
     // Nothing can be asserted about the event target until
     // https://github.com/w3c/clipboard-apis/issues/70 is resolved.
@@ -15,5 +27,7 @@ async_test(t => {
     assert_true(event.isTrusted, 'event.isTrusted');
     assert_true(event.composed, 'event.composed');
   });
+
+  test_driver.click(button);
 });
 </script>
diff --git a/tests/wpt/web-platform-tests/css/css-tables/row-group-order-ref.html b/tests/wpt/web-platform-tests/css/css-tables/row-group-order-ref.html
new file mode 100644
index 00000000000..63087671c5f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-tables/row-group-order-ref.html
@@ -0,0 +1,60 @@
+<!doctype html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+  table {
+    font: 8px Ahem;
+    border-collapse: collapse;
+  }
+  thead, tbody, tfoot {
+    border: 10px solid;
+  }
+  .first {
+    border-color: green;
+  }
+  .second {
+    border-color: blue;
+  }
+  .third {
+    border-color: yellow;
+  }
+  tbody {
+    border-color: orange;
+  }
+  td {
+    width: 50px;
+    height: 50px;
+  }
+</style>
+
+<table>
+  <tbody class="first">
+    <tr><td>head 1</td></tr>
+  </tbody>
+  <tbody>
+    <tr><td>body 1</td></tr>
+  </tbody>
+  <tbody class="second">
+    <tr><td>head 2</td></tr>
+  </tbody>
+  <tbody>
+    <tr><td>body 2</td></tr>
+  </tbody>
+  <tbody class="third">
+    <tr><td>head 3</td></tr>
+  </tbody>
+  <tbody>
+    <tr><td>body 3</td></tr>
+  </tbody>
+  <tbody class="second">
+    <tr><td>foot 2</td></tr>
+  </tbody>
+  <tbody>
+    <tr><td>body 4</td></tr>
+  </tbody>
+  <tbody class="third">
+    <tr><td>foot 3</td></tr>
+  </tbody>
+  <tbody class="first">
+    <tr><td>foot 1</td></tr>
+  </tbody>
+</table>
diff --git a/tests/wpt/web-platform-tests/css/css-tables/row-group-order.html b/tests/wpt/web-platform-tests/css/css-tables/row-group-order.html
new file mode 100644
index 00000000000..06c0f3bd965
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-tables/row-group-order.html
@@ -0,0 +1,64 @@
+<!doctype html>
+<title>CSS Test: Table section ordering</title>
+<link rel="author" href="mailto:atotic@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/tables.html#table-display">
+<link rel="match" href="row-group-order-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+  table {
+    font: 8px Ahem;
+    border-collapse: collapse;
+  }
+  thead, tbody, tfoot {
+    border: 10px solid;
+  }
+  .first {
+    border-color: green;
+  }
+  .second {
+    border-color: blue;
+  }
+  .third {
+    border-color: yellow;
+  }
+  tbody {
+    border-color: orange;
+  }
+  td {
+    width: 50px;
+    height: 50px;
+  }
+</style>
+
+<table>
+  <tbody>
+    <tr><td>body 1</td></tr>
+  </tbody>
+  <thead class="first">
+    <tr><td>head 1</td></tr>
+  </thead>
+  <thead class="second">
+    <tr><td>head 2</td></tr>
+  </thead>
+  <tbody>
+    <tr><td>body 2</td></tr>
+  </tbody>
+  <thead class="third">
+    <tr><td>head 3</td></tr>
+  </thead>
+  <tfoot class="first">
+    <tr><td>foot 1</td></tr>
+  </tfoot>
+  <tbody>
+    <tr><td>body 3</td></tr>
+  </tbody>
+  <tfoot class="second">
+    <tr><td>foot 2</td></tr>
+  </tfoot>
+  <tbody>
+    <tr><td>body 4</td></tr>
+  </tbody>
+  <tfoot class="third">
+    <tr><td>foot 3</td></tr>
+  </tfoot>
+</table>
diff --git a/tests/wpt/web-platform-tests/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html b/tests/wpt/web-platform-tests/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html
index 914547fc6cd..b6c57a67baf 100644
--- a/tests/wpt/web-platform-tests/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html
+++ b/tests/wpt/web-platform-tests/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-display.html
@@ -2,6 +2,9 @@
 <title>rendered legend and CSS display</title>
 <script src=/resources/testharness.js></script>
 <script src=/resources/testharnessreport.js></script>
+<style>
+legend { width:initial; }
+</style>
 <fieldset><legend id="ref">x</legend></fieldset>
 <fieldset><legend id="test">x</legend></fieldset>
 <script>
@@ -10,22 +13,28 @@
   const testElm = document.querySelector('#test');
   const values = ['block', 'table', 'table-row-group', 'table-header-group', 'table-footer-group', 'table-row', 'table-cell',
                   'table-column-group', 'table-column', 'table-caption', 'list-item', 'flow', 'flow-root','run-in','inline',
-                  'inline-block', 'inline-table', 'ruby', 'ruby-base', 'ruby-text', 'ruby-base-container', 'ruby-text-container',
+                  'inline-block', 'inline-table', 'block ruby', 'ruby', 'ruby-base', 'ruby-text', 'ruby-base-container', 'ruby-text-container',
                   'grid', 'inline-grid', 'flex', 'inline-flex'];
+  const extraStyle = ['', 'overflow:hidden', 'columns:1', 'overflow:hidden;columns:1'];
 
-  for (const val of values) {
-    test(() => {
-      testElm.style.removeProperty('display');
-      testElm.style.display = val;
-      const computed = getComputedStyle(testElm);
-      // Note that computed value is different from the used value.
-      // E.g., if ruby is not supported, the following assertion will
-      // fail as the computed value of display will be block.
-      // If ruby is supported, computed.display will return "ruby",
-      // but the used value is supposed to be "block".
-      assert_equals(computed.display, val, `display: ${val} is not supported`);
-      assert_equals(computed.width, refStyle.width, 'width');
-      assert_equals(testElm.offsetLeft, refElm.offsetLeft, 'offsetLeft');
-    }, `rendered legend with display: ${val}`);
+  for (const style of extraStyle) {
+    for (const val of values) {
+      test(() => {
+        testElm.style.removeProperty('display');
+        testElm.style = style;
+        testElm.style.display = val;
+        const computed = getComputedStyle(testElm);
+        // Note that computed value is different from the used value.
+        // E.g., if ruby is not supported, the following assertion will
+        // fail as the computed value of display will be block.
+        // If ruby is supported, computed.display will return "ruby",
+        // but the used value is supposed to be "block ruby".
+        // Also, 'flow' is serialized as 'block' for legacy reasons.
+        let expected = val == 'flow' ? 'block' : val;
+        assert_equals(computed.display, expected, `display: ${val} is not supported`);
+        assert_equals(computed.width, refStyle.width, 'width');
+        assert_equals(testElm.offsetLeft, refElm.offsetLeft, 'offsetLeft');
+      }, `rendered legend with display: ${val}` + (style == '' ? '' : "; " + style));
+    }
   }
 </script>
diff --git a/tests/wpt/web-platform-tests/interfaces/html.idl b/tests/wpt/web-platform-tests/interfaces/html.idl
index bb44c132747..7f2eba2c7ae 100644
--- a/tests/wpt/web-platform-tests/interfaces/html.idl
+++ b/tests/wpt/web-platform-tests/interfaces/html.idl
@@ -2396,10 +2396,6 @@ interface HTMLMarqueeElement : HTMLElement {
   [CEReactions] attribute unsigned long vspace;
   [CEReactions] attribute DOMString width;
 
-  attribute EventHandler onbounce;
-  attribute EventHandler onfinish;
-  attribute EventHandler onstart;
-
   undefined start();
   undefined stop();
 };
diff --git a/tests/wpt/web-platform-tests/tools/wptserve/setup.py b/tests/wpt/web-platform-tests/tools/wptserve/setup.py
index a9cc95f4c1a..fdd8566435a 100644
--- a/tests/wpt/web-platform-tests/tools/wptserve/setup.py
+++ b/tests/wpt/web-platform-tests/tools/wptserve/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 
 PACKAGE_VERSION = '3.0'
-deps = ["six>=1.13.0", "h2==3.0.1"]
+deps = ["six>=1.13.0", "h2>=3.0.1"]
 
 setup(name='wptserve',
       version=PACKAGE_VERSION,
diff --git a/tests/wpt/web-platform-tests/url/urlsearchparams-foreach.any.js b/tests/wpt/web-platform-tests/url/urlsearchparams-foreach.any.js
index 7969a0cb11a..ff19643ac22 100644
--- a/tests/wpt/web-platform-tests/url/urlsearchparams-foreach.any.js
+++ b/tests/wpt/web-platform-tests/url/urlsearchparams-foreach.any.js
@@ -14,7 +14,7 @@ test(function() {
     let a = new URL("http://a.b/c?a=1&b=2&c=3&d=4");
     let b = a.searchParams;
     var c = [];
-    for (i of b) {
+    for (const i of b) {
         a.search = "x=1&y=2&z=3";
         c.push(i);
     }
@@ -26,7 +26,7 @@ test(function() {
 test(function() {
     let a = new URL("http://a.b/c");
     let b = a.searchParams;
-    for (i of b) {
+    for (const i of b) {
         assert_unreached(i);
     }
 }, "empty");
@@ -35,7 +35,7 @@ test(function() {
     const url = new URL("http://localhost/query?param0=0&param1=1&param2=2");
     const searchParams = url.searchParams;
     const seen = [];
-    for (param of searchParams) {
+    for (const param of searchParams) {
         if (param[0] === 'param0') {
             searchParams.delete('param1');
         }
@@ -50,7 +50,7 @@ test(function() {
     const url = new URL("http://localhost/query?param0=0&param1=1&param2=2");
     const searchParams = url.searchParams;
     const seen = [];
-    for (param of searchParams) {
+    for (const param of searchParams) {
         if (param[0] === 'param0') {
             searchParams.delete('param0');
             // 'param1=1' is now in the first slot, so the next iteration will see 'param2=2'.
@@ -66,7 +66,7 @@ test(function() {
     const url = new URL("http://localhost/query?param0=0&param1=1&param2=2");
     const searchParams = url.searchParams;
     const seen = [];
-    for (param of searchParams) {
+    for (const param of searchParams) {
         seen.push(param[0]);
         searchParams.delete(param[0]);
     }
diff --git a/tests/wpt/web-platform-tests/web-bundle/resources/urn-uuid.har b/tests/wpt/web-platform-tests/web-bundle/resources/urn-uuid.har
index e0cea3699ae..d821b768a60 100644
--- a/tests/wpt/web-platform-tests/web-bundle/resources/urn-uuid.har
+++ b/tests/wpt/web-platform-tests/web-bundle/resources/urn-uuid.har
@@ -19,6 +19,25 @@
             "text": "window.report_result('OK');"
           }
         }
+      },
+      {
+        "request": {
+          "method": "GET",
+          "url": "urn:uuid:429fcc4e-0696-4bad-b099-ee9175f023ae",
+          "headers": []
+        },
+        "response": {
+          "status": 200,
+          "headers": [
+            {
+              "name": "Content-type",
+              "value": "text/html"
+            }
+          ],
+          "content": {
+            "text": "<script> window.parent.postMessage('subframe loaded from WBN: location = ' + location.href, '*'); </script>"
+          }
+        }
       }
     ]
   }
diff --git a/tests/wpt/web-platform-tests/web-bundle/resources/wbn/urn-uuid.wbn b/tests/wpt/web-platform-tests/web-bundle/resources/wbn/urn-uuid.wbn
index a4bd3efc9cc..45db6fefbbe 100644
Binary files a/tests/wpt/web-platform-tests/web-bundle/resources/wbn/urn-uuid.wbn and b/tests/wpt/web-platform-tests/web-bundle/resources/wbn/urn-uuid.wbn differ
diff --git a/tests/wpt/web-platform-tests/web-bundle/subresource-loading/subframe-from-web-bundle.tentative.html b/tests/wpt/web-platform-tests/web-bundle/subresource-loading/subframe-from-web-bundle.tentative.html
new file mode 100644
index 00000000000..1e5cdd6943e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/web-bundle/subresource-loading/subframe-from-web-bundle.tentative.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<title>Subframe loading from Web Bundles</title>
+<link
+  rel="help"
+  href="https://github.com/WICG/webpackage/blob/master/explainers/subresource-loading.md"
+/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<script>
+
+promise_test(async () => {
+  const frame_url = 'urn:uuid:429fcc4e-0696-4bad-b099-ee9175f023ae';
+  const link = document.createElement('link');
+  link.rel = 'webbundle';
+  link.href = '../resources/wbn/urn-uuid.wbn';
+  link.resources = frame_url;
+  document.body.appendChild(link);
+  const message_promisse = new Promise((resolve) => {
+      window.addEventListener('message', (e) => {
+          resolve(e.data);
+      });
+    });
+  const iframe = document.createElement('iframe');
+  iframe.src = frame_url;
+  document.body.appendChild(iframe);
+  assert_equals(
+      await message_promisse,
+      'subframe loaded from WBN: location = ' + frame_url);
+  document.body.removeChild(link);
+  document.body.removeChild(iframe);
+}, "Subframe load from Web Bundle");
+
+</script>
+</body>