diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
new file mode 100644
index 00000000000..f64b45fea6b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-002.html]
+  [Hit test float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
new file mode 100644
index 00000000000..4bfb0c2053a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-004.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini
deleted file mode 100644
index baa9f1a7541..00000000000
--- a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[hit-test-floats-005.html]
-  [Miss clipped float]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
new file mode 100644
index 00000000000..e38782d8c85
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-001.html]
+  [CSSOM View - 5 - extensions to the Document interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
deleted file mode 100644
index e181af5397f..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-filter-vs-clip-path.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-filter-vs-clip-path.html.ini
new file mode 100644
index 00000000000..ef83335cf5f
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-filter-vs-clip-path.html.ini
@@ -0,0 +1,2 @@
+[svg-filter-vs-clip-path.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-filter-vs-mask.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-filter-vs-mask.html.ini
new file mode 100644
index 00000000000..2a29128e64b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-filter-vs-mask.html.ini
@@ -0,0 +1,2 @@
+[svg-filter-vs-mask.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-multiple-filter-functions.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-multiple-filter-functions.html.ini
new file mode 100644
index 00000000000..fc0dbcf42e4
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-multiple-filter-functions.html.ini
@@ -0,0 +1,2 @@
+[svg-multiple-filter-functions.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-drop-shadow-color.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-drop-shadow-color.html.ini
new file mode 100644
index 00000000000..cb850c814d8
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-drop-shadow-color.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-drop-shadow-color.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-drop-shadow-offset.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-drop-shadow-offset.html.ini
new file mode 100644
index 00000000000..e8e5c67683a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-drop-shadow-offset.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-drop-shadow-offset.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-function-to-url.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-function-to-url.html.ini
new file mode 100644
index 00000000000..e21bf77fe35
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-function-to-url.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-function-to-url.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-position-changed.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-position-changed.html.ini
new file mode 100644
index 00000000000..35721ce0870
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-position-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-group-position-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-size-changed.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-size-changed.html.ini
new file mode 100644
index 00000000000..423817c2964
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-size-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-group-size-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-transform-changed.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-transform-changed.html.ini
new file mode 100644
index 00000000000..bbab5d0a96f
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-group-transform-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-group-transform-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-position-changed.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-position-changed.html.ini
new file mode 100644
index 00000000000..d53ffbc64b0
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-position-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-object-position-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-size-changed.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-size-changed.html.ini
new file mode 100644
index 00000000000..3d4544681f1
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-size-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-object-size-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-transform-changed.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-transform-changed.html.ini
new file mode 100644
index 00000000000..c1e95c25750
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-object-transform-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-object-transform-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-single-to-multiple-001.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-single-to-multiple-001.html.ini
new file mode 100644
index 00000000000..0f5c7d92ddf
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-single-to-multiple-001.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-single-to-multiple-001.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-single-to-multiple-002.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-single-to-multiple-002.html.ini
new file mode 100644
index 00000000000..121e3f43cc4
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-single-to-multiple-002.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-single-to-multiple-002.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-url-to-function.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-url-to-function.html.ini
new file mode 100644
index 00000000000..a522cc70c40
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-mutation-url-to-function.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-url-to-function.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-shorthand-drop-shadow-001.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-shorthand-drop-shadow-001.html.ini
new file mode 100644
index 00000000000..263b4f8187c
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-shorthand-drop-shadow-001.html.ini
@@ -0,0 +1,2 @@
+[svg-shorthand-drop-shadow-001.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-shorthand-hue-rotate-001.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-shorthand-hue-rotate-001.html.ini
new file mode 100644
index 00000000000..85990879d34
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-shorthand-hue-rotate-001.html.ini
@@ -0,0 +1,2 @@
+[svg-shorthand-hue-rotate-001.html]
+  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 fc0bd66186f..622e27a73d7 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
@@ -309,18 +309,12 @@
   [Response: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
     expected: NOTRUN
 
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
   [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html */*]
     expected: FAIL
 
@@ -330,3 +324,12 @@
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
index 46b0b1dbf9d..58de838d890 100644
--- a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,9 +11,6 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20'NosniFF']
-    expected: FAIL
-
-  [X-Content-Type-Options%3A%20no%0D%0AX-Content-Type-Options%3A%20nosniff]
+  [X-Content-Type-Options%3A%20%22nosniFF%22]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
deleted file mode 100644
index 87b07c3e670..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
deleted file mode 100644
index dc2e45516de..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_5.html]
-  [Multiple history traversals, last would be aborted]
-    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 42ebcc9d57e..88f4ddd0e9a 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: TIMEOUT
+  expected: CRASH
   [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-2.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
index c6f45be1eb2..e63fe7c263e 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_escaping-2.html]
-  expected: TIMEOUT
+  expected: CRASH
   [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_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 0407f0cc2b7..9eb581fcf1f 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: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
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/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
new file mode 100644
index 00000000000..59a54fe88e4
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
@@ -0,0 +1,4 @@
+[module-delayed.html]
+  [async document.write in a module]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index dbec6f2c2ff..450c88bd32b 100644
--- a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -3,3 +3,6 @@
   [The incumbent settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
     expected: TIMEOUT
 
+  [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
+    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 a56bad443a2..66bd350083b 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
@@ -1,5 +1,4 @@
 [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-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index abf72d48fad..f2095f224a6 100644
--- a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -422,3 +422,9 @@
   [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-1.6903211120476289e-27\t9.3139332532882690e-1\t9.3139332532882690e-1\t1.0000000000000000e+0\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532882690e-1 at index of 28696.\n\tMax RelError of 1.0000000000000000e+0 at index of 28696.\n]
     expected: FAIL
 
+  [X SNR (-480.99086268623347 dB) is not greater than or equal to 65.737. Got -480.99086268623347.]
+    expected: FAIL
+
+  [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-1.6643606199969368e+26\t9.3139332532882690e-1\t1.6643606199969368e+26\t1.7869578562948547e+26\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 1.6643606199969368e+26 at index of 28696.\n\tMax RelError of 1.7869578562948547e+26 at index of 28696.\n]
+    expected: FAIL
+
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/webmessaging/without-ports/018.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/webmessaging/without-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/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/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index fbc8c0ad95f..5e17e7b5c0e 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -128471,7 +128471,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-001.html": [
-      "370561f3362bfec6d2ea9d6a0ba5b71ffbb00e70",
+      "33036d99d33bfc767eee8c3946b0299d9807515d",
       [
        null,
        [
@@ -128484,7 +128484,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-002.html": [
-      "bc91fe11c6975eb6ea9fbe274a0a93d596efff5f",
+      "b5fa72b33297990a89cfbc45229eaf0fabf746ba",
       [
        null,
        [
@@ -128497,7 +128497,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-003.html": [
-      "1eac0b9a67f385cb118f60174678ea0070621eb8",
+      "c8e1b6f3cbbcecf7053ed0dcbdb2ca04a677f078",
       [
        null,
        [
@@ -128523,7 +128523,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-005.html": [
-      "6f9a1641be65619e94cf06e29ca20db22becd592",
+      "3917db44daf06a906382349418dc3d2989c810af",
       [
        null,
        [
@@ -128536,7 +128536,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-006.html": [
-      "8138b429a40d2dda9ac3a30f0970e5c00be7af58",
+      "7d1803e4183751562f53c294c865a2750d8b8a5d",
       [
        null,
        [
@@ -128549,7 +128549,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-007.html": [
-      "934f12c0cbec3555fdb56d6121c343169af5808a",
+      "a6e68a08e102473b40cd91492baf3bf24088377e",
       [
        null,
        [
@@ -128562,7 +128562,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-008.html": [
-      "3e665b3564c4edf374d9fd6611fe6cd4f8e77678",
+      "0c1405dd30fb13ff698637a758e254a72057442e",
       [
        null,
        [
@@ -128575,7 +128575,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-009.html": [
-      "ac278953b0857934d65b52ff0d2b3d00d7854f3b",
+      "88b8d4886698a1cd3be8024020f39aedf5ac885d",
       [
        null,
        [
@@ -128588,7 +128588,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-010.html": [
-      "76f7f2d1e34f55a6c9fae74a4bbe9af7104024e6",
+      "708b13400b8da2d42e8a5457a4cb341cc3210f6c",
       [
        null,
        [
@@ -128601,7 +128601,7 @@
       ]
      ],
      "out-of-flow-in-multicolumn-011.html": [
-      "8432c1afde9164b2b6d277c616e037ca6c0bc402",
+      "93350899950a11631484564027cad7d458f8f39b",
       [
        null,
        [
@@ -164149,6 +164149,19 @@
       ]
      },
      "mask-svg-content": {
+      "mask-empty-container-with-filter.svg": [
+       "ebe7e7e4d1cecd5b8c8343cdac85be644724a24f",
+       [
+        null,
+        [
+         [
+          "/css/css-masking/mask-svg-content/reference/mask-green-square-001-ref.svg",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "mask-negative-scale.svg": [
        "36b7abb42eb157b9feff158c6dfb399249ee437c",
        [
@@ -165166,6 +165179,19 @@
        {}
       ]
      ],
+     "multicol-containing-003.html": [
+      "c190385751e56e157d0f349c0b732f322e6c3b44",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "multicol-count-001.xht": [
       "eb3272f9a4e68500fd846ae62958aac397037433",
       [
@@ -226353,6 +226379,201 @@
        {}
       ]
      ],
+     "svg-filter-vs-clip-path.html": [
+      "0e17117e355c91c4b59230163999bf9edde6b4ae",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-filter-vs-mask.html": [
+      "279db20022df4252808d0ecd346c676efcc173b6",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-multiple-filter-functions.html": [
+      "d1b182a1c603b8f03c21bc16e9ec0c687a619e9b",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-drop-shadow-color.html": [
+      "fe8bf7ec5fe284608a4ba329681a12c17c82437d",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-drop-shadow-offset.html": [
+      "2d5a12906d89a8fcd09ffb19e310e32da42441a1",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-function-to-url.html": [
+      "61d657bfb2b3f80884a81d7b9dac5597d02dbff3",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-group-position-changed.html": [
+      "5a73f6eefc04343fbe73cfc5ccfdff5b86050f87",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-group-size-changed.html": [
+      "0486ec0806ba697da4ad3d7a62e6f0dcd7d1c2ff",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-group-transform-changed.html": [
+      "f0ff16e7c8932f68c5c53955cab4fd500d445401",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-object-position-changed.html": [
+      "76b75fc329868cb1597dd375052653e135c8c3eb",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-object-size-changed.html": [
+      "2d55387b73f91b347f5a48e12f256208e2a215b0",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-object-transform-changed.html": [
+      "75a82b1d964cc3131322c1e26b193b905cd1f4ef",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-single-to-multiple-001.html": [
+      "13da58c03ac26078fa0ad8be0ccfc690a4717dc3",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-single-to-multiple-002.html": [
+      "d7769a7cfd6a0986c15a40c0df8ca96a16069c7d",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-mutation-url-to-function.html": [
+      "fb08d8409ed382324c8752f9587c8d3244632a56",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "svg-relative-urls-001.html": [
       "5dd382c6dfd2271449627e956f7723e810662cee",
       [
@@ -226379,6 +226600,32 @@
        {}
       ]
      ],
+     "svg-shorthand-drop-shadow-001.html": [
+      "0d05046807384ff0c2d14f29c9cffeb6f33e46e9",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "svg-shorthand-hue-rotate-001.html": [
+      "34f9b5c76d4f474fa3349946f40e097c4e7b3707",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "svg-sourcegraphic-currentcolor-dynamic-001.html": [
       "e3be6544dc803ba7d9c69e9a1d906296c2c15301",
       [
@@ -370798,7 +371045,7 @@
       ]
      },
      "requirements.txt": [
-      "5cfa9f3faf9c0088348c78b4030df450989066b7",
+      "a0b9b2df9f7dc4654f25e510498da706cff9cda8",
       []
      ],
      "requirements_android_webview.txt": [
@@ -370830,7 +371077,7 @@
       []
      ],
      "requirements_firefox.txt": [
-      "622c34dcb038347db4f58fa3c69f00ffd0c3e280",
+      "582574e33ea63b16ad33406de8234b343c140be2",
       []
      ],
      "requirements_ie.txt": [
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
new file mode 100644
index 00000000000..f64b45fea6b
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-002.html]
+  [Hit test float]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
new file mode 100644
index 00000000000..4bfb0c2053a
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-004.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini
deleted file mode 100644
index baa9f1a7541..00000000000
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[hit-test-floats-005.html]
-  [Miss clipped float]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
new file mode 100644
index 00000000000..e38782d8c85
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-001.html]
+  [CSSOM View - 5 - extensions to the Document interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
deleted file mode 100644
index e181af5397f..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/filter-effects/svg-filter-vs-clip-path.html.ini b/tests/wpt/metadata/css/filter-effects/svg-filter-vs-clip-path.html.ini
new file mode 100644
index 00000000000..ef83335cf5f
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-filter-vs-clip-path.html.ini
@@ -0,0 +1,2 @@
+[svg-filter-vs-clip-path.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-filter-vs-mask.html.ini b/tests/wpt/metadata/css/filter-effects/svg-filter-vs-mask.html.ini
new file mode 100644
index 00000000000..2a29128e64b
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-filter-vs-mask.html.ini
@@ -0,0 +1,2 @@
+[svg-filter-vs-mask.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-multiple-filter-functions.html.ini b/tests/wpt/metadata/css/filter-effects/svg-multiple-filter-functions.html.ini
new file mode 100644
index 00000000000..fc0dbcf42e4
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-multiple-filter-functions.html.ini
@@ -0,0 +1,2 @@
+[svg-multiple-filter-functions.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-drop-shadow-color.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-drop-shadow-color.html.ini
new file mode 100644
index 00000000000..cb850c814d8
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-drop-shadow-color.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-drop-shadow-color.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-drop-shadow-offset.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-drop-shadow-offset.html.ini
new file mode 100644
index 00000000000..e8e5c67683a
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-drop-shadow-offset.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-drop-shadow-offset.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-function-to-url.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-function-to-url.html.ini
new file mode 100644
index 00000000000..e21bf77fe35
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-function-to-url.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-function-to-url.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-group-position-changed.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-group-position-changed.html.ini
new file mode 100644
index 00000000000..35721ce0870
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-group-position-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-group-position-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-group-size-changed.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-group-size-changed.html.ini
new file mode 100644
index 00000000000..423817c2964
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-group-size-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-group-size-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-group-transform-changed.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-group-transform-changed.html.ini
new file mode 100644
index 00000000000..bbab5d0a96f
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-group-transform-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-group-transform-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-object-position-changed.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-object-position-changed.html.ini
new file mode 100644
index 00000000000..d53ffbc64b0
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-object-position-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-object-position-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-object-size-changed.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-object-size-changed.html.ini
new file mode 100644
index 00000000000..3d4544681f1
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-object-size-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-object-size-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-object-transform-changed.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-object-transform-changed.html.ini
new file mode 100644
index 00000000000..c1e95c25750
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-object-transform-changed.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-object-transform-changed.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-single-to-multiple-001.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-single-to-multiple-001.html.ini
new file mode 100644
index 00000000000..0f5c7d92ddf
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-single-to-multiple-001.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-single-to-multiple-001.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-single-to-multiple-002.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-single-to-multiple-002.html.ini
new file mode 100644
index 00000000000..121e3f43cc4
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-single-to-multiple-002.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-single-to-multiple-002.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-mutation-url-to-function.html.ini b/tests/wpt/metadata/css/filter-effects/svg-mutation-url-to-function.html.ini
new file mode 100644
index 00000000000..a522cc70c40
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-mutation-url-to-function.html.ini
@@ -0,0 +1,2 @@
+[svg-mutation-url-to-function.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-shorthand-drop-shadow-001.html.ini b/tests/wpt/metadata/css/filter-effects/svg-shorthand-drop-shadow-001.html.ini
new file mode 100644
index 00000000000..263b4f8187c
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-shorthand-drop-shadow-001.html.ini
@@ -0,0 +1,2 @@
+[svg-shorthand-drop-shadow-001.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/filter-effects/svg-shorthand-hue-rotate-001.html.ini b/tests/wpt/metadata/css/filter-effects/svg-shorthand-hue-rotate-001.html.ini
new file mode 100644
index 00000000000..85990879d34
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-shorthand-hue-rotate-001.html.ini
@@ -0,0 +1,2 @@
+[svg-shorthand-hue-rotate-001.html]
+  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 e3e4caa7c3e..a9d4e32394f 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -309,18 +309,12 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
   [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html */*]
     expected: FAIL
 
@@ -330,3 +324,12 @@
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index 46b0b1dbf9d..58de838d890 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,9 +11,6 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20'NosniFF']
-    expected: FAIL
-
-  [X-Content-Type-Options%3A%20no%0D%0AX-Content-Type-Options%3A%20nosniff]
+  [X-Content-Type-Options%3A%20%22nosniFF%22]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
deleted file mode 100644
index 87b07c3e670..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
deleted file mode 100644
index dc2e45516de..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_5.html]
-  [Multiple history traversals, last would be aborted]
-    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 fc37df7e3fa..2a166bb97b7 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: TIMEOUT
+  expected: CRASH
   [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-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
index c6f45be1eb2..e63fe7c263e 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_escaping-2.html]
-  expected: TIMEOUT
+  expected: CRASH
   [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_nonescaping-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
index d43f38b40cd..45d8be1c898 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: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
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/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
new file mode 100644
index 00000000000..59a54fe88e4
--- /dev/null
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
@@ -0,0 +1,4 @@
+[module-delayed.html]
+  [async document.write in a module]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index 0cef5158fae..01f7b72cbe7 100644
--- a/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -4,3 +4,6 @@
   [The incumbent settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
     expected: TIMEOUT
 
+  [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
+    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 a56bad443a2..66bd350083b 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
@@ -1,5 +1,4 @@
 [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-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index 7d15d241813..cc54ff0920c 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -650,3 +650,9 @@
   [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-1.6903211120476289e-27\t9.3139332532882690e-1\t9.3139332532882690e-1\t1.0000000000000000e+0\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532882690e-1 at index of 28696.\n\tMax RelError of 1.0000000000000000e+0 at index of 28696.\n]
     expected: FAIL
 
+  [X SNR (-480.99086268623347 dB) is not greater than or equal to 65.737. Got -480.99086268623347.]
+    expected: FAIL
+
+  [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-1.6643606199969368e+26\t9.3139332532882690e-1\t1.6643606199969368e+26\t1.7869578562948547e+26\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 1.6643606199969368e+26 at index of 28696.\n\tMax RelError of 1.7869578562948547e+26 at index of 28696.\n]
+    expected: FAIL
+
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/webmessaging/without-ports/018.html.ini b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/without-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/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/css/css-break/out-of-flow-in-multicolumn-001.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-001.html
index 370561f3362..33036d99d33 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-001.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-001.html
@@ -3,7 +3,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-break-3/#break-decoration">
 <link rel="match" href="out-of-flow-in-multicolumn-001-ref.html">
 
-<p>The abs element should be split equally into the two columns - no red!</p>
 <style>
   #multicol {
       column-count: 2;
@@ -28,6 +27,7 @@
     background: red;
   }
 </style>
+<p>The abs element should be split equally into the two columns - no red!</p>
 <div id="container">
   <div id="multicol">
       <div style="width:100px; height:30px;"></div>
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-002.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-002.html
index bc91fe11c69..b5fa72b3329 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-002.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-002.html
@@ -2,7 +2,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-break-3/#break-decoration">
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- Tests fragmentation when a positioned node's child overflows. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 2;
@@ -23,6 +22,7 @@
     background: green;
   }
 </style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <div id="multicol">
   <div class="rel">
     <div class="abs">
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-003.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-003.html
index 1eac0b9a67f..c8e1b6f3cbb 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-003.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-003.html
@@ -4,7 +4,6 @@
 <!-- Tests that empty column fragments are added if an OOF element begins layout
      in a fragmentainer that is more than one index beyond the last existing
      column fragmentainer. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 2;
@@ -27,6 +26,7 @@
     background: green;
   }
 </style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <div id="multicol">
   <div class="rel">
     <div class="abs"></div>
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-005.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-005.html
index 6f9a1641be6..3917db44daf 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-005.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-005.html
@@ -2,7 +2,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-break-3/#breaking-controls">
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- break-after: column does not apply to absolute positioned elements. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 2;
@@ -29,6 +28,7 @@
     background: green;
   }
 </style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <div id="multicol">
   <div class="content"></div>
   <div class="rel">
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-006.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-006.html
index 8138b429a40..7d1803e4183 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-006.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-006.html
@@ -2,7 +2,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-position-3/#abspos-breaking">
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- Tests that the fragments of a positioned element are added to the right fragmentainer despite the presence of column spanners. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 2;
@@ -25,12 +24,13 @@
     column-span: all;
     height: 5px;
   }
- </style>
- <div id="multicol">
-   <div class="rel">
-     <div class="spanner"></div>
-     <div style="height: 60px; "></div>
-     <div class="spanner"></div>
-     <div class="abs"></div>
-   </div>
- </div>
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="multicol">
+  <div class="rel">
+    <div class="spanner"></div>
+    <div style="height: 60px; "></div>
+    <div class="spanner"></div>
+    <div class="abs"></div>
+  </div>
+</div>
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-007.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-007.html
index 934f12c0cbe..a6e68a08e10 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-007.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-007.html
@@ -3,7 +3,6 @@
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- Tests that a positioned element without a top or bottom property uses the static position -
      even though it's treated as an OOF element. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 2;
@@ -25,9 +24,10 @@
     background: green;
   }
 </style>
- <div id="multicol">
-   <div class="rel">
-     <div style="height: 100px; width: 50px;"></div>
-     <div class="abs"></div>
-   </div>
- </div>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="multicol">
+  <div class="rel">
+    <div style="height: 100px; width: 50px;"></div>
+    <div class="abs"></div>
+  </div>
+</div>
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-008.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-008.html
index 3e665b3564c..0c1405dd30f 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-008.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-008.html
@@ -2,7 +2,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-position-3/#abspos-breaking">
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- Tests fragmented abspos elements with a spanner nested inside. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 2;
@@ -25,6 +24,7 @@
     height: 10px;
   }
 </style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <div id="multicol">
   <div class="rel">
     <div class="abs">
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-009.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-009.html
index ac278953b08..88b8d488669 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-009.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-009.html
@@ -2,7 +2,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-position-3/#abspos-breaking">
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- Tests that empty column fragments are added if an OOF element begins layout in a fragmentainer that is more than one index beyond the last existing column fragmentainer in the presence of a spanner. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 2;
@@ -23,6 +22,7 @@
     background: green;
   }
 </style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <div id="multicol">
   <div class="rel">
     <div class="abs"></div>
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-010.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-010.html
index 76f7f2d1e34..708b13400b8 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-010.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-010.html
@@ -2,7 +2,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-position-3/#abspos-breaking">
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- Fragmented OOF element with block-size percentage resolution. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     column-count: 3;
@@ -30,6 +29,7 @@
     height: 33.33%;
   }
 </style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <div id="multicol">
   <div class="rel">
     <div class="abs"></div>
diff --git a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-011.html b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-011.html
index 8432c1afde9..93350899950 100644
--- a/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-011.html
+++ b/tests/wpt/web-platform-tests/css/css-break/out-of-flow-in-multicolumn-011.html
@@ -2,7 +2,6 @@
 <link rel="help" href="href=https://www.w3.org/TR/css-position-3/#abspos-breaking">
 <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
 <!-- Fragmented OOF element with block-size percentage resolution and overflow. -->
-<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <style>
   #multicol {
     /* Set things up so that the absolutely positioned element takes up two
@@ -26,6 +25,7 @@
     background: green;
   }
 </style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
 <div id="multicol">
   <div style="height: 100px;"></div>
   <div class="rel">
diff --git a/tests/wpt/web-platform-tests/css/css-masking/mask-svg-content/mask-empty-container-with-filter.svg b/tests/wpt/web-platform-tests/css/css-masking/mask-svg-content/mask-empty-container-with-filter.svg
new file mode 100644
index 00000000000..ebe7e7e4d1c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-masking/mask-svg-content/mask-empty-container-with-filter.svg
@@ -0,0 +1,23 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml">
+  <title>mask with only an empty container with a filter</title>
+  <h:link rel="help" href="https://drafts.fxtf.org/css-masking-1/#svg-masks"/>
+  <h:link rel="match" href="reference/mask-green-square-001-ref.svg"/>
+
+  <filter id="double" x="0" y="0" width="200" height="200" filterUnits="userSpaceOnUse">
+    <feOffset dy="100"/>
+    <feMerge>
+      <feMergeNode/>
+      <feMergeNode in="SourceGraphic"/>
+    </feMerge>
+  </filter>
+  <filter id="f" x="0" y="0" width="200" height="200" filterUnits="userSpaceOnUse">
+    <feFlood flood-color="#fff"/>
+  </filter>
+  <mask id="m" x="50" y="50" width="100" height="100" maskUnits="userSpaceOnUse">
+    <g filter="url(#f)"/>
+  </mask>
+
+  <rect width="100" height="200" fill="green" mask="url(#m)"/>
+  <rect width="100" height="100" x="100" fill="green" mask="url(#m)"
+	filter="url(#double)"/>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-003.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-003.html
new file mode 100644
index 00000000000..c190385751e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-containing-003.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css-multicol/#the-multi-column-model">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  #multicol {
+    columns: 2;
+    width: 100px;
+    height: 100px;
+    column-fill: auto;
+    column-gap: 0px;
+  }
+  .rel {
+    position: relative;
+  }
+  .abs {
+    position: absolute;
+    width: 100px;
+    height: 100px;
+    background: green;
+    top: 0;
+    left: 0;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="rel" id="multicol">
+  <div style="height:200px; width: 50px; background: red;"></div>
+  <div class="abs"></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-filter-vs-clip-path.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-filter-vs-clip-path.html
new file mode 100644
index 00000000000..0e17117e355
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-filter-vs-clip-path.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<title>Filter Effects: 'filter' and 'clip-path' on SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#placement">
+<link rel="match" href="reference/green-100x100.html">
+<svg>
+  <clipPath id="c">
+    <rect width="100" height="100"/>
+  </clipPath>
+  <rect width="100" height="100" fill="red"
+	filter="blur(20px)" clip-path="url(#c)"/>
+  <rect width="100" height="100" fill="green"/>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-filter-vs-mask.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-filter-vs-mask.html
new file mode 100644
index 00000000000..279db20022d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-filter-vs-mask.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<title>Filter Effects: 'filter' and 'mask' on SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#placement">
+<link rel="match" href="reference/green-100x100.html">
+<svg>
+  <mask id="m">
+    <rect width="100" height="100" fill="white"/>
+  </mask>
+  <rect width="100" height="100" fill="red"
+	filter="blur(20px)" mask="url(#m)"/>
+  <rect width="100" height="100" fill="green"/>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-multiple-filter-functions.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-multiple-filter-functions.html
new file mode 100644
index 00000000000..d1b182a1c60
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-multiple-filter-functions.html
@@ -0,0 +1,22 @@
+<!doctype html>
+<title>Filter Effects: filter with multiple filter functions on SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#filter-functions">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterElement">
+<link rel="match" href="reference/green-100x100.html">
+<svg>
+  <filter id="f_left" x="0" y="0" width="1" height="1"
+	  color-interpolation-filters="sRGB">
+    <feFlood flood-color="rgb(71.79%, 28.82%, 0%)" width="50"/>
+  </filter>
+  <filter id="f_right" x="0" y="0" width="1" height="1"
+	  color-interpolation-filters="sRGB">
+    <feFlood flood-color="rgb(71.79%, 28.82%, 0%)" x="50" width="50"/>
+    <feMerge>
+      <feMergeNode in="SourceGraphic"/>
+      <feMergeNode/>
+    </feMerge>
+  </filter>
+  <rect width="100" height="100" fill="red"
+	filter="url(#f_left) url(#f_right) hue-rotate(90deg)"/>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-drop-shadow-color.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-drop-shadow-color.html
new file mode 100644
index 00000000000..fe8bf7ec5fe
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-drop-shadow-color.html
@@ -0,0 +1,18 @@
+<!doctype html>
+<title>Filter Effects: changing color of drop-shadow() function on an SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <rect id="target" width="50" height="100" fill="green" filter="drop-shadow(50px 0 red)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("filter", "drop-shadow(50px 0 green)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-drop-shadow-offset.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-drop-shadow-offset.html
new file mode 100644
index 00000000000..2d5a12906d8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-drop-shadow-offset.html
@@ -0,0 +1,18 @@
+<!doctype html>
+<title>Filter Effects: changing offset of drop-shadow() function on an SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <rect id="target" width="50" height="100" fill="green" filter="drop-shadow(5px 0 green)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("filter", "drop-shadow(50px 0 green)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-function-to-url.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-function-to-url.html
new file mode 100644
index 00000000000..61d657bfb2b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-function-to-url.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<title>Filter Effects: switching from hue-rotate() to url() on an SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#filter-functions">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterElement">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <filter id="hue" color-interpolation-filters="sRGB">
+    <feColorMatrix type="hueRotate" values="90"/>
+  </filter>
+  <rect width="100" height="100" fill="rgb(71.79%, 28.82%, 0%)" filter="hue-rotate(330deg)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.querySelector("svg > rect");
+    rect.setAttribute("filter", "url(#hue)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-position-changed.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-position-changed.html
new file mode 100644
index 00000000000..5a73f6eefc0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-position-changed.html
@@ -0,0 +1,20 @@
+<!doctype html>
+<title>Filter Effects: changing the position of an SVG group with filter</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <g filter="drop-shadow(-50px 0 green)">
+    <rect id="target" width="50" height="100" fill="green"/>
+  </g>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("x", "50");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-size-changed.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-size-changed.html
new file mode 100644
index 00000000000..0486ec0806b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-size-changed.html
@@ -0,0 +1,20 @@
+<!doctype html>
+<title>Filter Effects: changing the size of an SVG group with filter</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <g filter="drop-shadow(50px 0 green)">
+    <rect id="target" width="50" height="50" fill="green"/>
+  </g>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("height", "100");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-transform-changed.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-transform-changed.html
new file mode 100644
index 00000000000..f0ff16e7c89
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-group-transform-changed.html
@@ -0,0 +1,20 @@
+<!doctype html>
+<title>Filter Effects: changing the transform of an SVG group with filter</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <g id="target" filter="drop-shadow(-50px 0 green)">
+    <rect width="50" height="100" fill="green"/>
+  </g>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let group = document.getElementById("target");
+    group.setAttribute("transform", "translate(50, 0)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-position-changed.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-position-changed.html
new file mode 100644
index 00000000000..76b75fc3298
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-position-changed.html
@@ -0,0 +1,19 @@
+<!doctype html>
+<title>Filter Effects: changing the position of an SVG element with filter</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <rect id="target" width="50" height="100" fill="green"
+	filter="drop-shadow(-50px 0 green)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("x", "50");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-size-changed.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-size-changed.html
new file mode 100644
index 00000000000..2d55387b73f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-size-changed.html
@@ -0,0 +1,19 @@
+<!doctype html>
+<title>Filter Effects: changing the size of an SVG element with filter</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <rect id="target" width="50" height="50" fill="green"
+	filter="drop-shadow(50px 0 green)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("height", "100");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-transform-changed.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-transform-changed.html
new file mode 100644
index 00000000000..75a82b1d964
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-object-transform-changed.html
@@ -0,0 +1,19 @@
+<!doctype html>
+<title>Filter Effects: changing the transform of an SVG element with filter</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <rect id="target" width="50" height="100" fill="green"
+	filter="drop-shadow(-50px 0 green)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("transform", "translate(50, 0)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-single-to-multiple-001.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-single-to-multiple-001.html
new file mode 100644
index 00000000000..13da58c03ac
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-single-to-multiple-001.html
@@ -0,0 +1,20 @@
+<!doctype html>
+<title>Filter Effects: extending the filter chain with an additional function on SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-hue-rotate">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <rect id="target" width="50" height="100" fill="rgb(71.79%, 28.82%, 0%)"
+	filter="hue-rotate(90deg)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("filter", "hue-rotate(90deg) drop-shadow(50px 0 green)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-single-to-multiple-002.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-single-to-multiple-002.html
new file mode 100644
index 00000000000..d7769a7cfd6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-single-to-multiple-002.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<title>Filter Effects: extending the filter chain with an additional function on SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#feColorMatrixElement">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <filter id="hue" color-interpolation-filters="sRGB">
+    <feColorMatrix type="hueRotate" values="90"/>
+  </filter>
+  <rect width="100" height="100" fill="red"/>
+  <rect id="target" width="50" height="100" fill="rgb(71.79%, 28.82%, 0%)"
+	filter="url(#hue)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.getElementById("target");
+    rect.setAttribute("filter", "url(#hue) drop-shadow(50px 0 green)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-url-to-function.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-url-to-function.html
new file mode 100644
index 00000000000..fb08d8409ed
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-mutation-url-to-function.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<title>Filter Effects: switching from url() to hue-rotate() on an SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#filter-functions">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterElement">
+<link rel="match" href="reference/green-100x100.html">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <filter id="hue" color-interpolation-filters="sRGB">
+    <feColorMatrix type="hueRotate" values="330"/>
+  </filter>
+  <rect width="100" height="100" fill="rgb(71.79%, 28.82%, 0%)" filter="url(#hue)"/>
+</svg>
+<script>
+  waitForAtLeastOneFrame().then(() => {
+    let rect = document.querySelector("svg > rect");
+    rect.setAttribute("filter", "hue-rotate(90deg)");
+    takeScreenshot();
+  });
+</script>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-shorthand-drop-shadow-001.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-shorthand-drop-shadow-001.html
new file mode 100644
index 00000000000..0d050468073
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-shorthand-drop-shadow-001.html
@@ -0,0 +1,9 @@
+<!doctype html>
+<title>Filter Effects: drop-shadow() function on SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-drop-shadow">
+<link rel="match" href="reference/green-100x100.html">
+<svg>
+  <rect width="100" height="100" fill="red"/>
+  <rect width="50" height="100" fill="green" filter="drop-shadow(50px 0 green)"/>
+</svg>
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-shorthand-hue-rotate-001.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-shorthand-hue-rotate-001.html
new file mode 100644
index 00000000000..34f9b5c76d4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-shorthand-hue-rotate-001.html
@@ -0,0 +1,9 @@
+<!doctype html>
+<title>Filter Effects: hue-rotate() function on SVG element</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter-hue-rotate">
+<link rel="match" href="reference/green-100x100.html">
+<svg>
+  <rect width="100" height="100" fill="rgb(71.79%, 28.82%, 0%)" filter="hue-rotate(90deg)"/>
+</svg>
+
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/requirements.txt b/tests/wpt/web-platform-tests/tools/wptrunner/requirements.txt
index 5cfa9f3faf9..a0b9b2df9f7 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/requirements.txt
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/requirements.txt
@@ -1,6 +1,6 @@
 html5lib==1.1
 mozinfo==1.2.1  # https://bugzilla.mozilla.org/show_bug.cgi?id=1621226
-mozlog==7.0.1
+mozlog==7.1.0
 mozdebug==0.2
 # Pillow 7 requires Python 3
 pillow==6.2.2; python_version <= '2.7'  # pyup: <7.0
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/requirements_firefox.txt b/tests/wpt/web-platform-tests/tools/wptrunner/requirements_firefox.txt
index 622c34dcb03..582574e33ea 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/requirements_firefox.txt
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/requirements_firefox.txt
@@ -5,6 +5,6 @@ mozleak==0.2
 moznetwork==1.1.0
 mozprocess==1.2.1
 mozprofile==2.5.0
-mozrunner==8.0.3
+mozrunner==8.1.0
 mozversion==2.3.0
 psutil==5.7.3