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-003.html.ini
similarity index 67%
rename from tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
rename to tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
index 4bfb0c2053a..f29da48a2a0 100644
--- 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-003.html.ini
@@ -1,4 +1,4 @@
-[hit-test-floats-004.html]
+[hit-test-floats-003.html]
   [Miss float below something else]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/linebox/inline-negative-margin-001.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/linebox/inline-negative-margin-001.html.ini
index c53734dcdd7..6425f4beda1 100644
--- a/tests/wpt/metadata-layout-2020/css/CSS2/linebox/inline-negative-margin-001.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/linebox/inline-negative-margin-001.html.ini
@@ -11,6 +11,3 @@
   [[data-expected-height\] 2]
     expected: FAIL
 
-  [[data-expected-height\] 4]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/css-images/image-orientation/image-orientation-iframe.html.ini b/tests/wpt/metadata-layout-2020/css/css-images/image-orientation/image-orientation-iframe.html.ini
new file mode 100644
index 00000000000..78157036e5b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/css-images/image-orientation/image-orientation-iframe.html.ini
@@ -0,0 +1,2 @@
+[image-orientation-iframe.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata-layout-2020/css/css-text/white-space/lone-cr-001.tentative.html.ini b/tests/wpt/metadata-layout-2020/css/css-text/white-space/lone-cr-001.tentative.html.ini
new file mode 100644
index 00000000000..7c155129bdd
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/css-text/white-space/lone-cr-001.tentative.html.ini
@@ -0,0 +1,2 @@
+[lone-cr-001.tentative.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/css/css-transforms/transform-scale-hittest.html.ini b/tests/wpt/metadata-layout-2020/css/css-transforms/transform-scale-hittest.html.ini
index f8e7e539aae..4a1e8110f6f 100644
--- a/tests/wpt/metadata-layout-2020/css/css-transforms/transform-scale-hittest.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/css-transforms/transform-scale-hittest.html.ini
@@ -2,6 +2,3 @@
   [Hit test intersecting scaled box]
     expected: FAIL
 
-  [Hit test within unscaled box]
-    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
deleted file mode 100644
index e38782d8c85..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
index c131078eace..23c61ede1a1 100644
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
@@ -17,3 +17,6 @@
   [test the top of layer]
     expected: FAIL
 
+  [test some point of the element: top left corner]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/matchMedia-display-none-iframe.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/matchMedia-display-none-iframe.html.ini
deleted file mode 100644
index e6e1f29e274..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/matchMedia-display-none-iframe.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[matchMedia-display-none-iframe.html]
-  expected: ERROR
diff --git a/tests/wpt/metadata-layout-2020/custom-elements/reactions/HTMLMediaElement.html.ini b/tests/wpt/metadata-layout-2020/custom-elements/reactions/HTMLMediaElement.html.ini
deleted file mode 100644
index 2ca05f57bb0..00000000000
--- a/tests/wpt/metadata-layout-2020/custom-elements/reactions/HTMLMediaElement.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[HTMLMediaElement.html]
-  expected: TIMEOUT
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 1108106dc02..0fbcc4b3e75 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
@@ -312,18 +312,24 @@
   [Response: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
     expected: NOTRUN
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: */* text/html]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+    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..25318ac5846 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
@@ -53,6 +53,6 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript x/x]
+  [separate text/javascript error]
     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
new file mode 100644
index 00000000000..87b07c3e670
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[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-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
similarity index 71%
rename from tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
rename to tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
index dc2e45516de..385376c7321 100644
--- a/tests/wpt/metadata/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_4.html.ini
@@ -1,4 +1,4 @@
-[traverse_the_history_5.html]
+[traverse_the_history_4.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
new file mode 100644
index 00000000000..735a9a75a2a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
@@ -0,0 +1,2 @@
+[cross-origin-objects-on-new-window.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini b/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
index f45aaafe1c5..d81ae5a4949 100644
--- a/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
@@ -1,16 +1,17 @@
 [supported-elements.html]
+  expected: TIMEOUT
   [Contenteditable element should support autofocus]
     expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
-    expected: FAIL
+    expected: NOTRUN
 
   [Element with tabindex should support autofocus]
     expected: FAIL
 
   [Area element should support autofocus]
-    expected: FAIL
+    expected: NOTRUN
 
   [Host element with delegatesFocus should support autofocus]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index d913fcbb129..3080be9afc0 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_nonescaping-1.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/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/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/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/with-ports/017.html.ini
new file mode 100644
index 00000000000..064cf47545b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/webmessaging/with-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
deleted file mode 100644
index 80f9a4f15b8..00000000000
--- a/tests/wpt/metadata-layout-2020/workers/constructors/Worker/Worker-constructor.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[Worker-constructor.html]
-  expected: ERROR
diff --git a/tests/wpt/metadata-layout-2020/workers/shared-worker-in-data-url-context.window.js.ini b/tests/wpt/metadata-layout-2020/workers/shared-worker-in-data-url-context.window.js.ini
index 10dda3a6659..6d92f8835c6 100644
--- a/tests/wpt/metadata-layout-2020/workers/shared-worker-in-data-url-context.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/workers/shared-worker-in-data-url-context.window.js.ini
@@ -1,7 +1,8 @@
 [shared-worker-in-data-url-context.window.html]
+  expected: TIMEOUT
   [Create a shared worker in a data url frame]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Create a data url shared worker in a data url frame]
-    expected: FAIL
+    expected: NOTRUN
 
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 2bcc03b49ce..899574c9cd5 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -24300,6 +24300,34 @@
   },
   "print-reftest": {
    "css": {
+    "css-flexbox": {
+     "break-nested-float-in-flex-item-001-print.html": [
+      "1994190bf9432a53e696909d9432b17b244ab819",
+      [
+       null,
+       [
+        [
+         "/css/css-flexbox/break-nested-float-in-flex-item-print-ref.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "break-nested-float-in-flex-item-002-print.html": [
+      "83f47c47250a3b424276376505973bbb8162da26",
+      [
+       null,
+       [
+        [
+         "/css/css-flexbox/break-nested-float-in-flex-item-print-ref.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ]
+    },
     "css-multicol": {
      "column-balancing-paged-001-print.html": [
       "cf8e343d0fff9c576ad88f00a4f68b310bf0e65d",
@@ -124239,6 +124267,45 @@
        {}
       ]
      ],
+     "break-float-dynamic-001.html": [
+      "f849b148fb6f9253c6f32dda72116a8066c287f8",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "break-float-dynamic-002.html": [
+      "93e30ff04eecd443d1abaa326980a1aaa70ca555",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "break-overflowed-block-dynamic-001.html": [
+      "9afdab1d8b4021261ad0ccf51f5d2d487afee830",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "fieldset-001.html": [
       "d320fe15bebcfbdd332ee9411b548dab60f8fba6",
       [
@@ -179667,6 +179734,19 @@
         {}
        ]
       ],
+      "lone-cr-001.tentative.html": [
+       "ed5ff05a70d276e0d2987e82d6f8daf6e5b1cf85",
+       [
+        null,
+        [
+         [
+          "/css/css-text/white-space/lone-cr-001-ref.html",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "pre-float-001.html": [
        "8dd08d80992e6d6310a6697f84c2533d399c8e5e",
        [
@@ -294164,6 +294244,10 @@
       "57f4307ca0c60174495221d27d2a739f14a94abe",
       []
      ],
+     "break-nested-float-in-flex-item-print-ref.html": [
+      "e867430bc63e3420004af5d377a1cc1edc4e75a8",
+      []
+     ],
      "css-flexbox-column-ref.html": [
       "b0287c2490bb8c1332e26a747fc2d5ed7cf48e2a",
       []
@@ -310637,6 +310721,10 @@
       ]
      },
      "white-space": {
+      "lone-cr-001-ref.html": [
+       "943daefee058239e51eef2a4c6b1b46471508696",
+       []
+      ],
       "reference": {
        "break-spaces-tab-003-ref.html": [
         "52a8c491cca2da9426e318d2e36786d05fe74e06",
@@ -337343,7 +337431,11 @@
          "bf6a1ae5bfe16e4fd50296636894859a0ee25ec1",
          []
         ]
-       }
+       },
+       "target_blank_implicit_noopener.html.ini": [
+        "532ba627866dd5ad0c0fd598a51d77e9effc3921",
+        []
+       ]
       },
       "linktypes": {
        "alternate-css-ref.html": [
@@ -511106,7 +511198,14 @@
       ]
      ],
      "keysplines-x-limits.html": [
-      "3c9ba65059f99dfbad262a4df65cf1eba0a4f0d8",
+      "376f04e659eb74cdff621583888e0e15fda73385",
+      [
+       null,
+       {}
+      ]
+     ],
+     "keysplines-y-limits.html": [
+      "ccfbbe39576c55e032a1808fec2b1796c570a09b",
       [
        null,
        {}
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-003.html.ini
similarity index 67%
rename from tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
rename to tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
index 4bfb0c2053a..f29da48a2a0 100644
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -1,4 +1,4 @@
-[hit-test-floats-004.html]
+[hit-test-floats-003.html]
   [Miss float below something else]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/CSS2/linebox/inline-negative-margin-001.html.ini b/tests/wpt/metadata/css/CSS2/linebox/inline-negative-margin-001.html.ini
index 94a3570d26b..076c791cd3d 100644
--- a/tests/wpt/metadata/css/CSS2/linebox/inline-negative-margin-001.html.ini
+++ b/tests/wpt/metadata/css/CSS2/linebox/inline-negative-margin-001.html.ini
@@ -8,6 +8,9 @@
   [[data-expected-height\] 3]
     expected: FAIL
 
-  [[data-expected-height\] 4]
+  [[data-expected-height\] 1]
+    expected: FAIL
+
+  [[data-expected-height\] 2]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/css-images/image-orientation/image-orientation-iframe.html.ini b/tests/wpt/metadata/css/css-images/image-orientation/image-orientation-iframe.html.ini
new file mode 100644
index 00000000000..78157036e5b
--- /dev/null
+++ b/tests/wpt/metadata/css/css-images/image-orientation/image-orientation-iframe.html.ini
@@ -0,0 +1,2 @@
+[image-orientation-iframe.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/css/css-text/white-space/lone-cr-001.tentative.html.ini b/tests/wpt/metadata/css/css-text/white-space/lone-cr-001.tentative.html.ini
new file mode 100644
index 00000000000..7c155129bdd
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/white-space/lone-cr-001.tentative.html.ini
@@ -0,0 +1,2 @@
+[lone-cr-001.tentative.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini b/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
index f8e7e539aae..4a1e8110f6f 100644
--- a/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
+++ b/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
@@ -2,6 +2,3 @@
   [Hit test intersecting scaled box]
     expected: FAIL
 
-  [Hit test within unscaled box]
-    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
deleted file mode 100644
index e38782d8c85..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
index 85e94926cb3..5733d536fd3 100644
--- a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
@@ -21,3 +21,6 @@
   [test the top of layer]
     expected: FAIL
 
+  [test some point of the element: top left corner]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini b/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
deleted file mode 100644
index e6e1f29e274..00000000000
--- a/tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[matchMedia-display-none-iframe.html]
-  expected: ERROR
diff --git a/tests/wpt/metadata/custom-elements/reactions/HTMLMediaElement.html.ini b/tests/wpt/metadata/custom-elements/reactions/HTMLMediaElement.html.ini
deleted file mode 100644
index 2ca05f57bb0..00000000000
--- a/tests/wpt/metadata/custom-elements/reactions/HTMLMediaElement.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[HTMLMediaElement.html]
-  expected: TIMEOUT
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 7d6598cebed..c67e6b9f083 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,18 +312,24 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: */* text/html]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+    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..25318ac5846 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -53,6 +53,6 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript x/x]
+  [separate text/javascript error]
     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
new file mode 100644
index 00000000000..87b07c3e670
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[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/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
similarity index 71%
rename from tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
rename to tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
index dc2e45516de..385376c7321 100644
--- a/tests/wpt/metadata-layout-2020/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_4.html.ini
@@ -1,4 +1,4 @@
-[traverse_the_history_5.html]
+[traverse_the_history_4.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini b/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
new file mode 100644
index 00000000000..735a9a75a2a
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
@@ -0,0 +1,2 @@
+[cross-origin-objects-on-new-window.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
index 6b68e9094e4..dab21cae5d8 100644
--- a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
+++ b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
@@ -1,4 +1,5 @@
 [supported-elements.html]
+  expected: TIMEOUT
   [Contenteditable element should support autofocus]
     expected: FAIL
 
@@ -6,11 +7,11 @@
     expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
-    expected: FAIL
+    expected: NOTRUN
 
   [Area element should support autofocus]
-    expected: FAIL
+    expected: NOTRUN
 
   [Host element with delegatesFocus should support autofocus]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index 9df1ac56f2a..963d4cd20ef 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_nonescaping-1.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/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 dc856a3d5a3..e440b1e38c6 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
@@ -1,5 +1,6 @@
 [iframe_sandbox_popups_nonescaping-3.html]
   type: testharness
+  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/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/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata/webmessaging/with-ports/017.html.ini
new file mode 100644
index 00000000000..064cf47545b
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/with-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
deleted file mode 100644
index 80f9a4f15b8..00000000000
--- a/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[Worker-constructor.html]
-  expected: ERROR
diff --git a/tests/wpt/metadata/workers/shared-worker-in-data-url-context.window.js.ini b/tests/wpt/metadata/workers/shared-worker-in-data-url-context.window.js.ini
index 10dda3a6659..6d92f8835c6 100644
--- a/tests/wpt/metadata/workers/shared-worker-in-data-url-context.window.js.ini
+++ b/tests/wpt/metadata/workers/shared-worker-in-data-url-context.window.js.ini
@@ -1,7 +1,8 @@
 [shared-worker-in-data-url-context.window.html]
+  expected: TIMEOUT
   [Create a shared worker in a data url frame]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Create a data url shared worker in a data url frame]
-    expected: FAIL
+    expected: NOTRUN
 
diff --git a/tests/wpt/web-platform-tests/css/css-break/break-float-dynamic-001.html b/tests/wpt/web-platform-tests/css/css-break/break-float-dynamic-001.html
new file mode 100644
index 00000000000..f849b148fb6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/break-float-dynamic-001.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+  <meta charset="utf-8">
+  <title>Test for dynamic re-pagination of a nested float element</title>
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-break/#possible-breaks">
+  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1559961">
+  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+
+  <style>
+  #multicol {
+    columns: 2;
+    column-fill: auto;
+    column-gap: 0;
+    height: 400px; /* Must be large enough so that .target doesn't break initially. */
+    width: 100px;
+    background: red;
+  }
+  .block {
+    width: 50px;
+    background: green;
+  }
+  .target {
+    float: left;
+    height: 160px; /* Expected to be broken into 2 columns after runTest() */
+  }
+  </style>
+
+  <script>
+  function runTest() {
+    document.body.offsetHeight;
+    document.getElementById("multicol").style.height = "100px";
+  }
+  </script>
+
+  <body onload="runTest()">
+    <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+    <div id="multicol">
+      <div>
+        <div class="block" style="height: 40px"></div>
+        <div class="block target"></div>
+      </div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/break-float-dynamic-002.html b/tests/wpt/web-platform-tests/css/css-break/break-float-dynamic-002.html
new file mode 100644
index 00000000000..93e30ff04ee
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/break-float-dynamic-002.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+  <meta charset="utf-8">
+  <title>Test for dynamic re-pagination of a nested float element with clearance</title>
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-break/#possible-breaks">
+  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1559961">
+  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+
+  <style>
+  #multicol {
+    columns: 2;
+    column-fill: auto;
+    column-gap: 0;
+    height: 400px; /* Must be large enough so that .target doesn't break initially. */
+    width: 100px;
+    background: red;
+  }
+  .block {
+    width: 50px;
+    background: green;
+  }
+  .target {
+    float: left;
+    height: 160px; /* Expected to be broken into 2 columns after runTest() */
+  }
+  </style>
+
+  <script>
+  function runTest() {
+    document.body.offsetHeight;
+    document.getElementById("multicol").style.height = "100px";
+  }
+  </script>
+
+  <body onload="runTest()">
+    <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+    <div id="multicol">
+      <div>
+        <div class="block" style="height: 40px"></div>
+        <div class="block target"></div>
+        <div style="clear: both"></div>
+      </div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-break/break-overflowed-block-dynamic-001.html b/tests/wpt/web-platform-tests/css/css-break/break-overflowed-block-dynamic-001.html
new file mode 100644
index 00000000000..9afdab1d8b4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/break-overflowed-block-dynamic-001.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+  <meta charset="utf-8">
+  <title>Test for dynamic re-pagination of a overflowed block element</title>
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-break/#possible-breaks">
+  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1559961">
+  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+
+  <style>
+  #multicol {
+    columns: 2;
+    column-fill: auto;
+    column-gap: 0;
+    height: 400px; /* Must be large enough so that .target doesn't break initially. */
+    width: 100px;
+    background: red;
+  }
+  #block {
+    height: 25px;
+  }
+  #target {
+    background: green;
+    width: 50px;
+    height: 200px; /* Expected to be broken into 2 columns after runTest() */
+  }
+  </style>
+
+  <script>
+  function runTest() {
+    document.body.offsetHeight;
+    document.getElementById("multicol").style.height = "100px";
+  }
+  </script>
+
+  <body onload="runTest()">
+    <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+    <div id="multicol">
+      <div id="block">
+        <div id="target"></div>
+      </div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-001-print.html b/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-001-print.html
new file mode 100644
index 00000000000..1994190bf94
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-001-print.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+  <meta charset="utf-8">
+  <title>CSS Flexbox Test Reference: Test for pagination of a nested float element in a flex item in a printing context</title>
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-break/#possible-breaks">
+  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1559961">
+  <link rel="match" href="break-nested-float-in-flex-item-print-ref.html">
+
+  <style>
+  @page { size:5in 3in; margin:0.5in; }
+
+  html, body {
+    margin: 0;
+  }
+  #flex {
+    display: flex;
+    flex-wrap: nowrap;
+    flex-direction: column;
+  }
+  #target {
+    float: left;
+    background: green;
+    width: 2in;
+    height: 6in; /* Expected to cover 3 pages. */
+  }
+  </style>
+
+  <body>
+    <div id="flex">
+      <div>
+        <div>
+          <div>
+            <!-- target needs to be deeply nested under a flex item. -->
+            <div id="target"></div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-002-print.html b/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-002-print.html
new file mode 100644
index 00000000000..83f47c47250
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-002-print.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+  <meta charset="utf-8">
+  <title>CSS Flexbox Test Reference: Test for pagination of a nested float element with clearance in a flex item in a printing context</title>
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-break/#possible-breaks">
+  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1559961">
+  <link rel="match" href="break-nested-float-in-flex-item-print-ref.html">
+
+  <style>
+  @page { size:5in 3in; margin:0.5in; }
+
+  html, body {
+    margin: 0;
+  }
+  #flex {
+    display: flex;
+    flex-wrap: nowrap;
+    flex-direction: column;
+  }
+  #target {
+    float: left;
+    background: green;
+    width: 2in;
+    height: 6in; /* Expected to cover 3 pages. */
+  }
+  </style>
+
+  <body>
+    <div id="flex">
+      <div>
+        <div>
+          <div>
+            <!-- target needs to be deeply nested under a flex item. -->
+            <div id="target"></div>
+            <div style="clear:both"></div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-print-ref.html b/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-print-ref.html
new file mode 100644
index 00000000000..e867430bc63
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/break-nested-float-in-flex-item-print-ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<!-- Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+  <meta charset="utf-8">
+  <title>CSS Flexbox Test: Test for pagination of a nested float element in a flex item in a printing context</title>
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
+
+  <style>
+  @page { size:5in 3in; margin:0.5in; }
+
+  html, body {
+    margin: 0;
+  }
+  #target {
+    background: green;
+    width: 2in;
+    height: 6in; /* Expected to cover 3 pages. */
+  }
+  </style>
+
+  <body>
+    <div id="target"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/lone-cr-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/lone-cr-001-ref.html
new file mode 100644
index 00000000000..943daefee05
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/lone-cr-001-ref.html
@@ -0,0 +1,3 @@
+<!doctype html>
+<title>CSS Test Reference</title>
+<p>A B</p>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/lone-cr-001.tentative.html b/tests/wpt/web-platform-tests/css/css-text/white-space/lone-cr-001.tentative.html
new file mode 100644
index 00000000000..ed5ff05a70d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/lone-cr-001.tentative.html
@@ -0,0 +1,10 @@
+<!doctype html>
+<title>Lone CR shouldn't cause previous spaces to collapse</title>
+<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
+<link rel="author" href="https://mozilla.org" title="Mozilla">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1657437">
+<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-rules">
+<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/855#issuecomment-380435969">
+<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/5410">
+<link rel="match" href="lone-cr-001-ref.html">
+<p>A &#013;B</p>
diff --git a/tests/wpt/web-platform-tests/html/semantics/links/links-created-by-a-and-area-elements/target_blank_implicit_noopener.html.ini b/tests/wpt/web-platform-tests/html/semantics/links/links-created-by-a-and-area-elements/target_blank_implicit_noopener.html.ini
new file mode 100644
index 00000000000..532ba627866
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/semantics/links/links-created-by-a-and-area-elements/target_blank_implicit_noopener.html.ini
@@ -0,0 +1,3 @@
+[target_blank_implicit_noopener.html]
+  expected:
+    if os == "android": ["TIMEOUT", "OK"]
diff --git a/tests/wpt/web-platform-tests/svg/animations/keysplines-x-limits.html b/tests/wpt/web-platform-tests/svg/animations/keysplines-x-limits.html
index 3c9ba65059f..376f04e659e 100644
--- a/tests/wpt/web-platform-tests/svg/animations/keysplines-x-limits.html
+++ b/tests/wpt/web-platform-tests/svg/animations/keysplines-x-limits.html
@@ -22,6 +22,26 @@
     <animate attributeName="x" values="0; 250" dur="5s"
              keyTimes="0; 1" keySplines="0 0 2 1" calcMode="spline"/>
   </rect>
+  <rect x="10" width="10" height="10" y="50" fill="blue">
+     <animateMotion values="0,50; 250,50" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="-10 0 1 1"
+                    calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="60" fill="blue">
+     <animateMotion values="0,60; 250,60" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="10 0 1 1"
+                    calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="70" fill="blue">
+     <animateMotion values="0,70; 250,70" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="0 0 -10 1"
+                    calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="80" fill="blue">
+     <animateMotion values="0,80; 250,80" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="0 0 10 1"
+                    calcMode="spline"/>
+  </rect>
 </svg>
 <script>
   async_test(t => {
@@ -36,6 +56,10 @@
         assert_equals(rects[2].getBBox().x, 10, 'first control point x greater than one');
         assert_equals(rects[3].getBBox().x, 10, 'second control point x less than zero');
         assert_equals(rects[4].getBBox().x, 10, 'second control point x greater than one');
+        assert_equals(rects[5].getBBox().x, 10, 'first control point x less than zero');
+        assert_equals(rects[6].getBBox().x, 10, 'first control point x greater than one');
+        assert_equals(rects[7].getBBox().x, 10, 'second control point x less than zero');
+        assert_equals(rects[8].getBBox().x, 10, 'second control point x greater than one');
       }));
     });
   });
diff --git a/tests/wpt/web-platform-tests/svg/animations/keysplines-y-limits.html b/tests/wpt/web-platform-tests/svg/animations/keysplines-y-limits.html
new file mode 100644
index 00000000000..ccfbbe39576
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/animations/keysplines-y-limits.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<title>'keySplines' with y-values outside of the 0 to 1 range</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<svg>
+  <rect x="10" width="10" height="10" fill="blue">
+    <animate attributeName="x" values="0; 250" dur="5s"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="20" fill="blue">
+    <animate attributeName="x" values="0; 250" dur="5s"
+             keyTimes="0; 1" keySplines="0 -1 1 1" calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="30" fill="blue">
+    <animate attributeName="x" values="0; 250" dur="5s"
+             keyTimes="0; 1" keySplines="0 2 1 1" calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="10" fill="blue">
+    <animate attributeName="x" values="0; 250" dur="5s"
+             keyTimes="0; 1" keySplines="0 0 1 -1" calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="40" fill="blue">
+    <animate attributeName="x" values="0; 250" dur="5s"
+             keyTimes="0; 1" keySplines="0 0 1 2" calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="50" fill="blue">
+     <animateMotion values="0,50; 250,50" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="0 -10 1 1"
+                    calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="60" fill="blue">
+     <animateMotion values="0,60; 250,60" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="0 10 1 1"
+                    calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="70" fill="blue">
+     <animateMotion values="0,70; 250,70" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="0 0 1 -10"
+                    calcMode="spline"/>
+  </rect>
+  <rect x="10" width="10" height="10" y="80" fill="blue">
+     <animateMotion values="0,80; 250,80" dur="5s" keyPoints="0; 1"
+                    keyTimes="0; 1" keySplines="0 0 1 10"
+                    calcMode="spline"/>
+  </rect>
+</svg>
+<script>
+  async_test(t => {
+    let svg = document.querySelector('svg');
+    svg.pauseAnimations();
+    svg.setCurrentTime(2.5);
+    window.onload = t.step_func(() => {
+      requestAnimationFrame(t.step_func_done(() => {
+        let rects = document.getElementsByTagName('rect');
+        assert_equals(rects[0].getBBox().x, 125, 'animations applied');
+        assert_equals(rects[1].getBBox().x, 10, 'first control point y less than zero');
+        assert_equals(rects[2].getBBox().x, 10, 'first control point y greater than one');
+        assert_equals(rects[3].getBBox().x, 10, 'second control point y less than zero');
+        assert_equals(rects[4].getBBox().x, 10, 'second control point y greater than one');
+        assert_equals(rects[5].getBBox().x, 10, 'first control point y less than zero');
+        assert_equals(rects[6].getBBox().x, 10, 'first control point y greater than one');
+        assert_equals(rects[7].getBBox().x, 10, 'second control point y less than zero');
+        assert_equals(rects[8].getBBox().x, 10, 'second control point y greater than one');
+      }));
+    });
+  });
+</script>
+