From 17f4d588798b068de48bdd448f52099e98558fb8 Mon Sep 17 00:00:00 2001
From: WPT Sync Bot <josh+wptsync@joshmatthews.net>
Date: Thu, 2 Mar 2023 01:47:05 +0000
Subject: [PATCH] Update web-platform-tests to revision
 b'3b791e5b10812a4ca4473d93679fc70d1a7f5f88'

---
 .../FileAPI/url/url-charset.window.js.ini     |   4 -
 tests/wpt/metadata/MANIFEST.json              | 431 ++++++++++++++----
 .../CSS2/floats/hit-test-floats-002.html.ini  |   3 -
 .../block-in-inline-hittest-002.html.ini      |   3 -
 ...k-in-inline-hittest-relpos-zindex.html.ini |   3 -
 .../image-set/image-set-computed.sub.html.ini |  12 +
 .../text-wrap-balance-002.html.ini            |   2 +
 .../white-space-vs-joiners-002.html.ini       |   2 +
 .../properties-value-inherit-003.html.ini     |  87 ----
 .../variable-definition.html.ini              |   9 -
 .../css/cssom-view/CaretPosition-001.html.ini |   3 -
 .../cssom-view/elementFromPoint-001.html.ini  |   3 -
 .../elementFromPoint-float-in-table.html.ini  |   3 -
 .../elementFromPoint-subpixel.html.ini        |   3 +
 .../elementsFromPoint-invalid-cases.html.ini  |   3 +
 .../css-images.sub.tentative.html.ini         |   3 -
 .../tentative/known-mime-type.sub.any.js.ini  |  12 +
 .../worker-blob-fetch.window.js.ini           |   3 +
 ...n-fragment-scrolling-cross-origin.html.ini |   2 +-
 .../srcdoc/consecutive-srcdoc.html.ini        |   3 +-
 .../navigating-across-documents/005.html.ini  |   1 -
 ...c-aboutblank-navigate-immediately.html.ini |   3 +-
 .../javascript-url-referrer.window.js.ini     |   4 +
 ...tion-unload-cross-origin.sub.window.js.ini |   3 -
 ...avigation-unload-same-origin.window.js.ini |   3 -
 .../replace-before-load/a-click.html.ini      |   3 -
 .../traverse-during-unload.html.ini           |   4 +
 ...creating_browsing_context_test_01.html.ini |   3 +-
 .../supported-elements.html.ini               |  12 +-
 .../iframe_sandbox_popups_escaping-1.html.ini |   3 +-
 ...rame_sandbox_popups_nonescaping-2.html.ini |   3 +-
 ...-special-cases.tentative.sub.window.js.ini |   1 +
 .../multipart-formdata.window.js.ini          |   3 +
 .../text-plain.window.js.ini                  |   6 +
 .../urlencoded2.window.js.ini                 |   6 +
 .../parsing/DOMContentLoaded-defer.html.ini   |   3 -
 .../document-write/module-delayed.html.ini    |   3 +
 ...le-event-handler-settings-objects.html.ini |   3 -
 .../audiocontext-not-fully-active.html.ini    |   1 -
 .../cross-partition.https.tentative.html.ini  |   2 +-
 .../017.html.ini                              |   0
 .../018.html.ini                              |   0
 .../Worker/Worker-constructor.html.ini        |   2 +
 .../css/stylesheet_media_queries.html.ini     |   3 +
 .../mozilla/meta/mozilla/scrollBy.html.ini    |   3 -
 ...ontent-and-allowed-schemes.https.window.js |  15 +-
 .../port-blocking.https.window.js             |   8 +-
 .../battery-status/api-defined.https.html     |  30 ++
 ...y-allowed-in-same-origin-iframe.https.html |   2 +-
 ...owed-in-cross-origin-iframe.https.sub.html |   2 +-
 .../battery-promise-window.https.html         |   2 +-
 ...multiple-promises-after-resolve.https.html |  23 +
 .../multiple-promises.https.html              |  22 +
 .../no-leak-on-detached-use.https.html        |  48 ++
 .../battery-status/page-visibility.https.html |  38 ++
 .../promise-with-eventlisteners.https.html    |  36 ++
 .../resources/battery-status-helpers.js       |  34 ++
 .../{ => resources}/support-iframe.html       |   0
 .../{ => resources}/support-window-open.html  |   0
 .../window-postmessage-open-close.html        |   9 +
 .../restricted-level-precision.https.html     |  22 +
 .../cookies/resources/set-cookie.py           |   2 +-
 .../support/ref-common.css                    |   1 -
 .../support/test-common.css                   |   1 -
 .../image-set/image-set-computed.sub.html     |   4 +
 ...parallel-flow-after-spanner-in-inline.html |  13 +
 ...parallel-flow-after-spanner-in-inline.html |  15 +
 .../parallel-flow-after-spanner-001.html      |  14 +
 .../parallel-flow-after-spanner-002.html      |  14 +
 .../reference/text-wrap-balance-002-ref.html  |  12 +
 .../white-space-vs-joiners-001-ref.html       |  27 ++
 .../white-space-vs-joiners-002-ref.html       |  23 +
 .../white-space/text-wrap-balance-002.html    |  15 +
 .../white-space-vs-joiners-001.html           |  37 ++
 .../white-space-vs-joiners-002.html           |  29 ++
 .../css-variables/variable-definition.html    |   2 +-
 .../3d-transform-incoming.html                |   2 +-
 .../3d-transform-outgoing.html                |   2 +-
 ...ontent-visibility-auto-shared-element.html |   2 +-
 .../css-tags-paint-order-with-entry.html      |   2 +-
 .../css-tags-paint-order.html                 |   2 +-
 .../css-tags-shared-element.html              |   2 +-
 .../far-away-capture.html                     |   2 +-
 .../css-view-transitions/japanese-tag.html    |   2 +-
 .../new-and-old-sizes-match-ref.html          |   2 +-
 .../new-and-old-sizes-match.html              |   2 +-
 .../new-content-captures-clip-path.html       |   2 +-
 .../new-content-captures-different-size.html  |   2 +-
 .../new-content-captures-opacity.html         |   2 +-
 ...new-content-captures-positioned-spans.html |   2 +-
 .../new-content-captures-spans.html           |   2 +-
 .../new-content-container-writing-modes.html  |   2 +-
 .../new-content-element-writing-modes.html    |   2 +-
 .../new-content-intrinsic-aspect-ratio.html   |   2 +-
 .../new-content-is-empty-div.html             |   2 +-
 .../new-content-is-inline.html                |   2 +
 .../new-content-object-fit-fill.html          |   2 +-
 .../new-content-object-fit-none.html          |   2 +-
 ...t-object-view-box-clip-path-reference.html |   2 +-
 ...new-content-object-view-box-clip-path.html |   2 +-
 ...tent-object-view-box-overflow-clipped.html |   2 +-
 .../new-content-object-view-box-overflow.html |   2 +-
 .../new-content-scaling.html                  |   2 +-
 .../new-content-with-overflow-zoomed.html     |   2 +-
 .../new-content-with-overflow.html            |   2 +-
 .../new-element-on-start.html                 |   2 +-
 .../old-content-captures-clip-path.html       |   2 +-
 .../old-content-captures-different-size.html  |   2 +-
 .../old-content-captures-opacity.html         |   2 +-
 .../old-content-container-writing-modes.html  |   2 +-
 .../old-content-element-writing-modes.html    |   2 +-
 .../old-content-intrinsic-aspect-ratio.html   |   2 +-
 .../old-content-is-empty-div.html             |   2 +-
 .../old-content-is-inline.html                |   2 +
 .../old-content-object-fit-fill.html          |   2 +-
 .../old-content-object-fit-none.html          |   2 +-
 ...t-object-view-box-clip-path-reference.html |   2 +-
 ...old-content-object-view-box-clip-path.html |   2 +-
 .../old-content-object-view-box-overflow.html |   2 +-
 .../old-content-with-overflow-zoomed.html     |   2 +-
 .../old-content-with-overflow.html            |   2 +-
 .../root-style-change-during-animation.html   |   2 +
 .../set-universal-specificity.html            |   2 +-
 ...justifyleft-in-closed-editable-dialog.html |  17 +
 .../authentication-redirection.any.js         |   5 +-
 .../fetch/orb/resources/empty.json            |   1 +
 .../orb/tentative/known-mime-type.sub.any.js  |  12 +-
 .../fetch/origin/assorted.window.js           |   4 +-
 .../origin/resources/redirect-and-stash.py    |  10 +-
 .../model/move-fullscreen-element.html        |  29 ++
 ...on-response-from-service-worker.https.html |   6 +-
 .../none-sw-from-none.https.html              |   6 +-
 .../none-sw-from-require-corp.https.html      |   6 +-
 .../require-corp-sw-from-none.https.html      |   6 +-
 ...quire-corp-sw-from-require-corp.https.html |   6 +-
 .../require-corp.https.html                   |   2 +-
 .../resources/nothing-cross-origin-corp.js    |   1 +
 ...s => nothing-cross-origin-corp.js.headers} |   0
 .../resources/nothing-cross-origin-corp.txt   |   1 -
 .../resources/require-corp-sw.js              |   2 +-
 .../sandbox.https.html                        |   2 +-
 tests/wpt/web-platform-tests/lint.ignore      |   3 +-
 .../tentative/loaf-iframe-popup.html          |  67 ---
 .../fetch-cross-origin-redirect.https.html    |   2 +-
 .../chromium/mock-battery-monitor.headers     |   1 +
 .../chromium/mock-battery-monitor.js          |  61 +++
 ...ew-timeline-with-transform-on-subject.html |  76 +++
 .../local-url-inherit-controller-frame.html   |   2 +-
 .../opaque-response-preloaded-worker.js       |   2 +-
 .../service-worker/resources/sample.js        |   1 +
 .../sandboxed-iframe-fetch-event-iframe.py    |   2 +-
 ...StorageAccessForOrigin.sub.https.window.js |  36 +-
 .../execute_async_script/execute_async.py     |  21 +
 .../webdriver/tests/execute_script/execute.py |  21 +
 .../webnn/hard_swish.https.any.js             |  10 +
 .../webnn/resources/test_data/hard_swish.json | 334 ++++++++++++++
 .../webnn/resources/utils.js                  |  18 +-
 157 files changed, 1609 insertions(+), 430 deletions(-)
 delete mode 100644 tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
 delete mode 100644 tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
 create mode 100644 tests/wpt/metadata/css/css-text/white-space/text-wrap-balance-002.html.ini
 create mode 100644 tests/wpt/metadata/css/css-text/white-space/white-space-vs-joiners-002.html.ini
 delete mode 100644 tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
 delete mode 100644 tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
 delete mode 100644 tests/wpt/metadata/css/cssom-view/elementFromPoint-float-in-table.html.ini
 create mode 100644 tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini
 create mode 100644 tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
 delete mode 100644 tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini
 delete mode 100644 tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.js.ini
 delete mode 100644 tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini
 create mode 100644 tests/wpt/metadata/html/browsers/history/the-history-interface/traverse-during-unload.html.ini
 delete mode 100644 tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
 create mode 100644 tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
 rename tests/wpt/metadata/webmessaging/{with-ports => without-ports}/017.html.ini (100%)
 rename tests/wpt/metadata/webmessaging/{with-ports => without-ports}/018.html.ini (100%)
 create mode 100644 tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
 create mode 100644 tests/wpt/mozilla/meta/css/stylesheet_media_queries.html.ini
 delete mode 100644 tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini
 create mode 100644 tests/wpt/web-platform-tests/battery-status/api-defined.https.html
 create mode 100644 tests/wpt/web-platform-tests/battery-status/multiple-promises-after-resolve.https.html
 create mode 100644 tests/wpt/web-platform-tests/battery-status/multiple-promises.https.html
 create mode 100644 tests/wpt/web-platform-tests/battery-status/no-leak-on-detached-use.https.html
 create mode 100644 tests/wpt/web-platform-tests/battery-status/page-visibility.https.html
 create mode 100644 tests/wpt/web-platform-tests/battery-status/promise-with-eventlisteners.https.html
 create mode 100644 tests/wpt/web-platform-tests/battery-status/resources/battery-status-helpers.js
 rename tests/wpt/web-platform-tests/battery-status/{ => resources}/support-iframe.html (100%)
 rename tests/wpt/web-platform-tests/battery-status/{ => resources}/support-window-open.html (100%)
 create mode 100644 tests/wpt/web-platform-tests/battery-status/resources/window-postmessage-open-close.html
 create mode 100644 tests/wpt/web-platform-tests/battery-status/restricted-level-precision.https.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-parallel-flow-after-spanner-in-inline.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-table-caption-parallel-flow-after-spanner-in-inline.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-001.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-002.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-text/white-space/reference/text-wrap-balance-002-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-001-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-002-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-text/white-space/text-wrap-balance-002.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-001.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-002.html
 create mode 100644 tests/wpt/web-platform-tests/editing/crashtests/delete-after-justifyleft-in-closed-editable-dialog.html
 create mode 100644 tests/wpt/web-platform-tests/fetch/orb/resources/empty.json
 create mode 100644 tests/wpt/web-platform-tests/fullscreen/model/move-fullscreen-element.html
 create mode 100644 tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.js
 rename tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/{nothing-cross-origin-corp.txt.headers => nothing-cross-origin-corp.js.headers} (100%)
 delete mode 100644 tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.txt
 delete mode 100644 tests/wpt/web-platform-tests/long-animation-frame/tentative/loaf-iframe-popup.html
 create mode 100644 tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.headers
 create mode 100644 tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.js
 create mode 100644 tests/wpt/web-platform-tests/scroll-animations/css/view-timeline-with-transform-on-subject.html
 create mode 100644 tests/wpt/web-platform-tests/service-workers/service-worker/resources/sample.js
 create mode 100644 tests/wpt/web-platform-tests/webnn/hard_swish.https.any.js
 create mode 100644 tests/wpt/web-platform-tests/webnn/resources/test_data/hard_swish.json

diff --git a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
deleted file mode 100644
index 08ab7bd35cd..00000000000
--- a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[url-charset.window.html]
-  expected: TIMEOUT
-  [Blob charset should override any auto-detected charset.]
-    expected: TIMEOUT
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 07ef0919af7..ab7a64df10b 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -2339,6 +2339,20 @@
         {}
        ]
       ],
+      "multicol-parallel-flow-after-spanner-in-inline.html": [
+       "2c0981239b961b5fe7a8041dab2636e32e1ce945",
+       [
+        null,
+        {}
+       ]
+      ],
+      "multicol-table-caption-parallel-flow-after-spanner-in-inline.html": [
+       "8de7e2f0d83779accf2f5716669451348b9d798a",
+       [
+        null,
+        {}
+       ]
+      ],
       "multicol-with-monolithic-oof-with-multicol-with-oof.html": [
        "43133fc2331f92550ff5417813b0e9e7354547ba",
        [
@@ -4207,6 +4221,13 @@
        {}
       ]
      ],
+     "delete-after-justifyleft-in-closed-editable-dialog.html": [
+      "185cb01ee51dbf91717887f51ad82812690e0e90",
+      [
+       null,
+       {}
+      ]
+     ],
      "delete-and-justifycenter-recursively-with-mutation-event-listeners.html": [
       "ce0c7e886f7c2755b96f21b4b431560e35a132e3",
       [
@@ -207115,6 +207136,32 @@
        {}
       ]
      ],
+     "parallel-flow-after-spanner-001.html": [
+      "38cc5c10157861af3cbcadc7e57fb7aba63ed7f6",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "parallel-flow-after-spanner-002.html": [
+      "f766be584d9217c2092b5bcf7f449b69b753a966",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "relative-child-overflowing-column-gap.html": [
       "4359e7f7a71c1116eb80e0408c190baae59d72a4",
       [
@@ -241698,6 +241745,19 @@
         {}
        ]
       ],
+      "text-wrap-balance-002.html": [
+       "7366c6ac0f10ada47f67c7ad35fc073016bccf96",
+       [
+        null,
+        [
+         [
+          "/css/css-text/white-space/reference/text-wrap-balance-002-ref.html",
+          "!="
+         ]
+        ],
+        {}
+       ]
+      ],
       "textarea-break-spaces-001.html": [
        "ad81e99768f9816c6e8a659c13aed81c4f22d940",
        [
@@ -243433,6 +243493,32 @@
         {}
        ]
       ],
+      "white-space-vs-joiners-001.html": [
+       "88c11f11549283082330e546c2cf5b6e006f2ace",
+       [
+        null,
+        [
+         [
+          "/css/css-text/white-space/reference/white-space-vs-joiners-001-ref.html",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "white-space-vs-joiners-002.html": [
+       "25470f02f2dd27e8cba993feed8f9881e518e3a3",
+       [
+        null,
+        [
+         [
+          "/css/css-text/white-space/reference/white-space-vs-joiners-002-ref.html",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "white-space-wrap-after-nowrap-001.html": [
        "5947c289e8752c26a17631f37309de7874d68986",
        [
@@ -276247,7 +276333,7 @@
     },
     "css-view-transitions": {
      "3d-transform-incoming.html": [
-      "cdf1b32ab73013e19be759cbf1b233c654d67131",
+      "1a0719eaa9e0027e752ce2c24609ec18c44427c0",
       [
        null,
        [
@@ -276280,7 +276366,7 @@
       ]
      ],
      "3d-transform-outgoing.html": [
-      "746b93afd40c1c1e33f8ca3b4a8e0fa2970e635c",
+      "1796284c06d0de95538a7b8b923b505fb9218571",
       [
        null,
        [
@@ -276359,7 +276445,7 @@
       ]
      ],
      "content-visibility-auto-shared-element.html": [
-      "11b4957fbcca7d1ceb8b151741eba1b86cb5708e",
+      "d76eab2fcd67372c3df2558748035929b3a5ed4f",
       [
        null,
        [
@@ -276533,7 +276619,7 @@
       ]
      ],
      "css-tags-paint-order-with-entry.html": [
-      "703b64f5c68c732d42d5ffeb1bb590f3c8ebf543",
+      "efd1aff5df79b2e8ee6a775bd987876483f3464c",
       [
        null,
        [
@@ -276566,7 +276652,7 @@
       ]
      ],
      "css-tags-paint-order.html": [
-      "c0e8769b473052d3adc8f192d454f5bb59c10647",
+      "28a955bad66c21adfd8f7ec938cb9fc2ff9a62b9",
       [
        null,
        [
@@ -276579,7 +276665,7 @@
       ]
      ],
      "css-tags-shared-element.html": [
-      "33bbae70fc6b918d12a17c856a3c75c1c0071ff7",
+      "9046b915b4f03fba81c58e44ad3d61c4236d468a",
       [
        null,
        [
@@ -276664,7 +276750,7 @@
       ]
      ],
      "far-away-capture.html": [
-      "bfe0b9fb9484f5984fbea9460d40818a40ab6ddd",
+      "7b003cbb76961d9747448949eaf9001cc218b4f3",
       [
        null,
        [
@@ -276878,7 +276964,7 @@
       ]
      ],
      "japanese-tag.html": [
-      "976dcab4fca8f8cf17fbdedbf7af0a162036eb37",
+      "67115a6fae6a8b63db7a7264efe921e056f5c7cb",
       [
        null,
        [
@@ -276917,7 +277003,7 @@
       ]
      ],
      "new-and-old-sizes-match.html": [
-      "78efa9d82fa7591f62d855b2fe8ab80c4140f0fe",
+      "1549a402af0cfb1fb18e8e8e7d76a71035577ad9",
       [
        null,
        [
@@ -276950,7 +277036,7 @@
       ]
      ],
      "new-content-captures-clip-path.html": [
-      "4a2dfc78c2746c02ca7aae34685292fbc76aed47",
+      "0d4c94e47d61790b77be1805a128ae93cae1ceb8",
       [
        null,
        [
@@ -276983,7 +277069,7 @@
       ]
      ],
      "new-content-captures-different-size.html": [
-      "a891dec55532d6a740a459772f65acb39136cd9b",
+      "a3ecddaf26c6d4be142525da40caaf947827684d",
       [
        null,
        [
@@ -277017,7 +277103,7 @@
       ]
      ],
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+      {}
+     ]
     ]
    },
    "beacon": {
@@ -502730,7 +502909,7 @@
      },
      "image-set": {
       "image-set-computed.sub.html": [
-       "3fd04ac92c54ff9c5aeb0b0662b1c4d134e466ca",
+       "a25ca17835b5dcf5a85d6216b6f3fe8d33b60042",
        [
         null,
         {}
@@ -518734,7 +518913,7 @@
       ]
      ],
      "variable-definition.html": [
-      "aaaaf6be23201d8176cd00c34027229e263abdc3",
+      "d38b64c72efe82967be1b6ee1af1bd09431b21f8",
       [
        null,
        {}
@@ -550467,7 +550646,7 @@
        ]
       ],
       "authentication-redirection.any.js": [
-       "a0175e6d2a72da37501cde7e2350655b036df602",
+       "16656b5435a18bfd5a04f3aac4709d2361276335",
        [
         "fetch/api/credentials/authentication-redirection.any.html",
         {
@@ -558426,7 +558605,7 @@
        ]
       ],
       "known-mime-type.sub.any.js": [
-       "a7bb66305834b63866e6a5518cf88c0075e7f8dd",
+       "d0954c83555977ea8714db524957a809286db321",
        [
         "fetch/orb/tentative/known-mime-type.sub.any.html",
         {
@@ -558550,7 +558729,7 @@
     },
     "origin": {
      "assorted.window.js": [
-      "423790dfb1e1cdbc1a98bc4f8faf235dfa1f0e84",
+      "033d010f35a50fb0f38434e1c50bdcdb145cc38d",
       [
        "fetch/origin/assorted.window.html",
        {
@@ -561895,6 +562074,15 @@
      ]
     ],
     "model": {
+     "move-fullscreen-element.html": [
+      "27f4c5dd82e3913cc8506cd744e8855ce4bbf135",
+      [
+       null,
+       {
+        "testdriver": true
+       }
+      ]
+     ],
      "move-to-fullscreen-iframe.html": [
       "0103b2979ffe8401be84a1cc32445cf4a5128434",
       [
@@ -589040,7 +589228,7 @@
       ]
      ],
      "coep-on-response-from-service-worker.https.html": [
-      "939c618227be7c34f279f446b6c0ea892807ca19",
+      "b25b04ca4a4db5ab9224e1de747471d5ae8a6945",
       [
        null,
        {}
@@ -590167,14 +590355,14 @@
       ]
      ],
      "none-sw-from-none.https.html": [
-      "b539561effd93df24734d25f1f0fc61a50498adf",
+      "6d2cf0f64f0677ee9ab93fd4071086642afeaf00",
       [
        null,
        {}
       ]
      ],
      "none-sw-from-require-corp.https.html": [
-      "36cf4a153bfa7b5db387dcb2cbff46eea7f94a25",
+      "dc1209c40dc86993b486904625a623f2a3c9b643",
       [
        null,
        {}
@@ -590500,14 +590688,14 @@
       ]
      ],
      "require-corp-sw-from-none.https.html": [
-      "a60b8bd457ea0af21c882bf37f0f107c1065026e",
+      "451761e8184d49eb842cda47c270a0d50d7afa33",
       [
        null,
        {}
       ]
      ],
      "require-corp-sw-from-require-corp.https.html": [
-      "deefc92b804c60559fe1c3a4b43feecba17bb6a9",
+      "c270e3a0d6d0bc801c773394819e40bb010e89b6",
       [
        null,
        {}
@@ -590528,7 +590716,7 @@
       ]
      ],
      "require-corp.https.html": [
-      "d187e0f760129fac1034d8fd5220e05d7cf93202",
+      "ad64a485c013700fe0ae9f0e97f3784f69cfb60a",
       [
        null,
        {
@@ -590537,7 +590725,7 @@
       ]
      ],
      "sandbox.https.html": [
-      "1e3f80a9186107350c307a3ff16fd5ad84e11ead",
+      "7a29ac19440f4e3d7dcd0d5a51612976a279fda5",
       [
        null,
        {}
@@ -620147,13 +620335,6 @@
        }
       ]
      ],
-     "loaf-iframe-popup.html": [
-      "9cdb2c334108743124fcc8306a955277735b9745",
-      [
-       null,
-       {}
-      ]
-     ],
      "loaf-timeline.html": [
       "c434a26ef8d18aa84836dbef56f737df425beb57",
       [
@@ -647825,7 +648006,7 @@
      ]
     ],
     "fetch-cross-origin-redirect.https.html": [
-     "4193422653a5954ff033518c690f65460bc5433b",
+     "1605e224ab43b2fa11579f9c64d9706e6a188f9c",
      [
       null,
       {}
@@ -651041,6 +651222,13 @@
        null,
        {}
       ]
+     ],
+     "view-timeline-with-transform-on-subject.html": [
+      "e4abac7219be6392e98ffb6ec4118ec18c0450cf",
+      [
+       null,
+       {}
+      ]
      ]
     },
     "scroll-timelines": {
@@ -668498,7 +668686,7 @@
       ]
      ],
      "requestStorageAccessForOrigin.sub.https.window.js": [
-      "060501d1b007377a8d9975102ffe67be131a792c",
+      "76e5bf83b1eed2fb19f6c2ae5547b422dea6d764",
       [
        "top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.https.window.html",
        {
@@ -687432,6 +687620,57 @@
       }
      ]
     ],
+    "hard_swish.https.any.js": [
+     "052c7f2a208013ffca4d5c4ddb09404cd69d17d5",
+     [
+      "webnn/hard_swish.https.any.html",
+      {
+       "script_metadata": [
+        [
+         "title",
+         "test WebNN API tanh operation"
+        ],
+        [
+         "global",
+         "window,dedicatedworker"
+        ],
+        [
+         "script",
+         "./resources/utils.js"
+        ],
+        [
+         "timeout",
+         "long"
+        ]
+       ],
+       "timeout": "long"
+      }
+     ],
+     [
+      "webnn/hard_swish.https.any.worker.html",
+      {
+       "script_metadata": [
+        [
+         "title",
+         "test WebNN API tanh operation"
+        ],
+        [
+         "global",
+         "window,dedicatedworker"
+        ],
+        [
+         "script",
+         "./resources/utils.js"
+        ],
+        [
+         "timeout",
+         "long"
+        ]
+       ],
+       "timeout": "long"
+      }
+     ]
+    ],
     "idlharness.https.any.js": [
      "a443fa14b91a5b52496025c7468f8ce6cfb6db57",
      [
@@ -734639,7 +734878,7 @@
        ]
       ],
       "execute_async.py": [
-       "d0b9daee4155cad89cda865794917f35069e923a",
+       "42cf4aacee8342939c515b5e56a40ef15a1cacfb",
        [
         null,
         {}
@@ -734706,7 +734945,7 @@
        ]
       ],
       "execute.py": [
-       "adfd2836f32a4d9855387169a3da4d1d5841beca",
+       "fbccc98633867b9ab137b26f0f8818b98a29c81f",
        [
         null,
         {}
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
deleted file mode 100644
index 968f62a2553..00000000000
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[hit-test-floats-002.html]
-  [Hit test float]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini
index ee34bc91078..51432362d66 100644
--- a/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini
+++ b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini
@@ -1,6 +1,3 @@
 [block-in-inline-hittest-002.html]
   [elementsFromPoint]
     expected: FAIL
-
-  [elementFromPoint]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-relpos-zindex.html.ini b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-relpos-zindex.html.ini
index f9e216a8cfc..cdd8b55f192 100644
--- a/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-relpos-zindex.html.ini
+++ b/tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-relpos-zindex.html.ini
@@ -1,6 +1,3 @@
 [block-in-inline-hittest-relpos-zindex.html]
   [position: relative; z-index: -1;]
     expected: FAIL
-
-  [block-in-inline-hittest-relpos-zindex]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/css-images/image-set/image-set-computed.sub.html.ini b/tests/wpt/metadata/css/css-images/image-set/image-set-computed.sub.html.ini
index 09eec3392a8..021d78e469a 100644
--- a/tests/wpt/metadata/css/css-images/image-set/image-set-computed.sub.html.ini
+++ b/tests/wpt/metadata/css/css-images/image-set/image-set-computed.sub.html.ini
@@ -64,3 +64,15 @@
 
   [Property content value '-webkit-image-set(url('http://web-platform.test/example.png') 192dpi, linear-gradient(black, white) 1x)']
     expected: FAIL
+
+  [Property background-image value 'image-set(url("http://web-platform.test/example.png") type("image/unsupported"))']
+    expected: FAIL
+
+  [Property background-image value '-webkit-image-set(url("http://web-platform.test/example.png") type("image/unsupported"))']
+    expected: FAIL
+
+  [Property background-image value 'image-set(url("http://web-platform.test/example.png") 2x type("image/unsupported"), url("http://web-platform.test/example.png") 1x type("image/unsupported"))']
+    expected: FAIL
+
+  [Property background-image value '-webkit-image-set(url("http://web-platform.test/example.png") 2x type("image/unsupported"), url("http://web-platform.test/example.png") 1x type("image/unsupported"))']
+    expected: FAIL
diff --git a/tests/wpt/metadata/css/css-text/white-space/text-wrap-balance-002.html.ini b/tests/wpt/metadata/css/css-text/white-space/text-wrap-balance-002.html.ini
new file mode 100644
index 00000000000..2da3336ac63
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/white-space/text-wrap-balance-002.html.ini
@@ -0,0 +1,2 @@
+[text-wrap-balance-002.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-text/white-space/white-space-vs-joiners-002.html.ini b/tests/wpt/metadata/css/css-text/white-space/white-space-vs-joiners-002.html.ini
new file mode 100644
index 00000000000..ba1a8d81019
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/white-space/white-space-vs-joiners-002.html.ini
@@ -0,0 +1,2 @@
+[white-space-vs-joiners-002.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-transitions/properties-value-inherit-003.html.ini b/tests/wpt/metadata/css/css-transitions/properties-value-inherit-003.html.ini
index 2b8affa2206..0734ab0db2c 100644
--- a/tests/wpt/metadata/css/css-transitions/properties-value-inherit-003.html.ini
+++ b/tests/wpt/metadata/css/css-transitions/properties-value-inherit-003.html.ini
@@ -4,90 +4,3 @@
 
   [background-position length-em(em) / values]
     expected: FAIL
-
-  [border-top-width length-em(em) / events]
-    expected: FAIL
-
-  [border-right-width length-em(em) / events]
-    expected: FAIL
-
-  [border-bottom-width length-em(em) / events]
-    expected: FAIL
-
-  [border-left-width length-em(em) / events]
-    expected: FAIL
-
-  [padding-bottom length-em(em) / events]
-    expected: FAIL
-
-  [padding-left length-em(em) / events]
-    expected: FAIL
-
-  [padding-right length-em(em) / events]
-    expected: FAIL
-
-  [padding-top length-em(em) / events]
-    expected: FAIL
-
-  [margin-bottom length-em(em) / events]
-    expected: FAIL
-
-  [margin-left length-em(em) / events]
-    expected: FAIL
-
-  [margin-right length-em(em) / events]
-    expected: FAIL
-
-  [margin-top length-em(em) / events]
-    expected: FAIL
-
-  [height length-em(em) / events]
-    expected: FAIL
-
-  [width length-em(em) / events]
-    expected: FAIL
-
-  [min-height length-em(em) / events]
-    expected: FAIL
-
-  [min-width length-em(em) / events]
-    expected: FAIL
-
-  [max-height length-em(em) / events]
-    expected: FAIL
-
-  [max-width length-em(em) / events]
-    expected: FAIL
-
-  [top length-em(em) / events]
-    expected: FAIL
-
-  [right length-em(em) / events]
-    expected: FAIL
-
-  [bottom length-em(em) / events]
-    expected: FAIL
-
-  [left length-em(em) / events]
-    expected: FAIL
-
-  [line-height length-em(em) / events]
-    expected: FAIL
-
-  [letter-spacing length-em(em) / events]
-    expected: FAIL
-
-  [word-spacing length-em(em) / events]
-    expected: FAIL
-
-  [text-indent length-em(em) / events]
-    expected: FAIL
-
-  [outline-offset length-em(em) / events]
-    expected: FAIL
-
-  [outline-width length-em(em) / events]
-    expected: FAIL
-
-  [vertical-align length-em(em) / events]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/css-variables/variable-definition.html.ini b/tests/wpt/metadata/css/css-variables/variable-definition.html.ini
index f27f6aacc38..a3daa11079d 100644
--- a/tests/wpt/metadata/css/css-variables/variable-definition.html.ini
+++ b/tests/wpt/metadata/css/css-variables/variable-definition.html.ini
@@ -80,9 +80,6 @@
   [ trailing white space (single space)]
     expected: FAIL
 
-  [ middle white space (double space) 2]
-    expected: FAIL
-
   [ trailing white space (double space) 2]
     expected: FAIL
 
@@ -95,9 +92,6 @@
   [ trailing white space (single space) (Computed Style)]
     expected: FAIL
 
-  [ middle white space (double space) 2 (Computed Style)]
-    expected: FAIL
-
   [ trailing white space (double space) 2 (Computed Style)]
     expected: FAIL
 
@@ -110,9 +104,6 @@
   [ trailing white space (single space) (Cascading)]
     expected: FAIL
 
-  [ middle white space (double space) 2 (Cascading)]
-    expected: FAIL
-
   [ trailing white space (double space) 2 (Cascading)]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
deleted file mode 100644
index f18b8d2fcf9..00000000000
--- a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[CaretPosition-001.html]
-  [Element at (400, 100)]
-    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 72b09371038..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-float-in-table.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-float-in-table.html.ini
deleted file mode 100644
index db065588308..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementFromPoint-float-in-table.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[elementFromPoint-float-in-table.html]
-  [float-in-div]
-    expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini
new file mode 100644
index 00000000000..8f6f663ba61
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini
@@ -0,0 +1,3 @@
+[elementFromPoint-subpixel.html]
+  [Hit test top left corner of box]
+    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
new file mode 100644
index 00000000000..a3496a40d07
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
@@ -0,0 +1,3 @@
+[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/fetch/metadata/generated/css-images.sub.tentative.html.ini b/tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini
index 0d48169e3cc..f9de5391ad6 100644
--- a/tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini
+++ b/tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini
@@ -146,6 +146,3 @@
 
   [list-style-image sec-fetch-site - HTTPS downgrade-upgrade]
     expected: FAIL
-
-  [background-image sec-fetch-site - HTTPS downgrade (header not sent)]
-    expected: TIMEOUT
diff --git a/tests/wpt/metadata/fetch/orb/tentative/known-mime-type.sub.any.js.ini b/tests/wpt/metadata/fetch/orb/tentative/known-mime-type.sub.any.js.ini
index 462b0e35384..7bbdf6ce8b2 100644
--- a/tests/wpt/metadata/fetch/orb/tentative/known-mime-type.sub.any.js.ini
+++ b/tests/wpt/metadata/fetch/orb/tentative/known-mime-type.sub.any.js.ini
@@ -8,6 +8,12 @@
   [ORB should block opaque application/json]
     expected: FAIL
 
+  [ORB should block opaque application/json (non-empty)]
+    expected: FAIL
+
+  [ORB should block opaque application/json (empty)]
+    expected: FAIL
+
 
 [known-mime-type.sub.any.worker.html]
   [ORB should block opaque font/ttf]
@@ -18,3 +24,9 @@
 
   [ORB should block opaque application/json]
     expected: FAIL
+
+  [ORB should block opaque application/json (non-empty)]
+    expected: FAIL
+
+  [ORB should block opaque application/json (empty)]
+    expected: FAIL
diff --git a/tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini b/tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini
index eebbbd32f99..03a7b6f1d92 100644
--- a/tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini
+++ b/tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini
@@ -43,3 +43,6 @@
 
   [public https to local https: failure.]
     expected: FAIL
+
+  [public to public: success.]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini
index 6e9f7acf151..c8a3c8f9e68 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini
@@ -1,6 +1,6 @@
 [scroll-restoration-fragment-scrolling-cross-origin.html]
   type: testharness
-  expected: TIMEOUT
+  expected: ERROR
   [Manual scroll restoration should take precedent over scrolling to fragment in cross origin navigation]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/srcdoc/consecutive-srcdoc.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/srcdoc/consecutive-srcdoc.html.ini
index f2dee7b3ea9..eaebad750fe 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/srcdoc/consecutive-srcdoc.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/srcdoc/consecutive-srcdoc.html.ini
@@ -1,6 +1,7 @@
 [consecutive-srcdoc.html]
+  expected: TIMEOUT
   [changing srcdoc does a replace navigation since the URL is still about:srcdoc]
     expected: FAIL
 
   [changing srcdoc to about:srcdoc#yo then another srcdoc does two push navigations and we can navigate back]
-    expected: FAIL
+    expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini
index f7ee5361549..33efcdbcf48 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini
@@ -1,4 +1,3 @@
 [005.html]
-  expected: TIMEOUT
   [Link with onclick navigation and href navigation ]
     expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini
index dc1144214ef..856bb1c9901 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini
@@ -1,9 +1,10 @@
 [iframe-src-aboutblank-navigate-immediately.html]
+  expected: TIMEOUT
   [Navigating to a different document with window.open]
     expected: FAIL
 
   [Navigating to a different document with form submission]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Navigating to a different document with link click]
     expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini
index 5a245d61359..bcda478adb1 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini
@@ -1,6 +1,10 @@
 [javascript-url-referrer.window.html]
+  expected: TIMEOUT
   [unsafe-url referrer policy used to create the starting page]
     expected: FAIL
 
   [origin referrer policy used to create the starting page]
     expected: FAIL
+
+  [no-referrer referrer policy used to create the starting page]
+    expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini
deleted file mode 100644
index 4ecd6d9f753..00000000000
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[navigation-unload-cross-origin.sub.window.html]
-  [Cross-origin navigation started from unload handler must be ignored]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.js.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.js.ini
deleted file mode 100644
index 7dc346632a4..00000000000
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.js.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[navigation-unload-same-origin.window.html]
-  [Same-origin navigation started from unload handler must be ignored]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini
deleted file mode 100644
index 60a4fa51f8a..00000000000
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[a-click.html]
-  [aElement.click() before the load event must NOT replace]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse-during-unload.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse-during-unload.html.ini
new file mode 100644
index 00000000000..f5b7b25324f
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse-during-unload.html.ini
@@ -0,0 +1,4 @@
+[traverse-during-unload.html]
+  expected: TIMEOUT
+  [Traversing the history during unload]
+    expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini
index ca84728f1e9..4b4820d1729 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini
@@ -1,4 +1,3 @@
 [creating_browsing_context_test_01.html]
-  expected: TIMEOUT
   [first argument: absolute url]
-    expected: TIMEOUT
+    expected: FAIL
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 58a99633547..d169bd2e9fa 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
@@ -1,19 +1,15 @@
 [supported-elements.html]
-  expected: TIMEOUT
   [Contenteditable element should support autofocus]
     expected: FAIL
 
   [Element with tabindex should support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
-    expected: NOTRUN
+    expected: FAIL
 
   [Area element should support autofocus]
-    expected: NOTRUN
+    expected: FAIL
 
   [Host element with delegatesFocus should support autofocus]
-    expected: NOTRUN
-
-  [Non-HTMLElement should not support autofocus]
-    expected: NOTRUN
+    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 2d3fbf0f308..25d9964f057 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
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_escaping-1.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: TIMEOUT
+    expected: FAIL
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 76e34322dca..6bec7a732b8 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
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-2.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/sandbox-top-navigation-child-special-cases.tentative.sub.window.js.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/sandbox-top-navigation-child-special-cases.tentative.sub.window.js.ini
index 31745fdcdcf..31928ad3947 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/sandbox-top-navigation-child-special-cases.tentative.sub.window.js.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/sandbox-top-navigation-child-special-cases.tentative.sub.window.js.ini
@@ -1,4 +1,5 @@
 [sandbox-top-navigation-child-special-cases.tentative.sub.window.html]
+  expected: TIMEOUT
   [Allow top with user activation + user activation]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/multipart-formdata.window.js.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/multipart-formdata.window.js.ini
index 11b380b0903..aa36ec5b723 100644
--- a/tests/wpt/metadata/html/semantics/forms/form-submission-0/multipart-formdata.window.js.ini
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/multipart-formdata.window.js.ini
@@ -175,3 +175,6 @@
 
   [multipart/form-data: backslash in value (formdata event)]
     expected: FAIL
+
+  [multipart/form-data: Basic test (formdata event)]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/text-plain.window.js.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/text-plain.window.js.ini
index 9bed02bc412..155e1335aa4 100644
--- a/tests/wpt/metadata/html/semantics/forms/form-submission-0/text-plain.window.js.ini
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/text-plain.window.js.ini
@@ -172,3 +172,9 @@
 
   [text/plain: Basic test (formdata event)]
     expected: FAIL
+
+  [text/plain: Basic File test (formdata event)]
+    expected: FAIL
+
+  [text/plain: 0x00 in name (formdata event)]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/urlencoded2.window.js.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/urlencoded2.window.js.ini
index 113d3171f16..e21beb8eba0 100644
--- a/tests/wpt/metadata/html/semantics/forms/form-submission-0/urlencoded2.window.js.ini
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/urlencoded2.window.js.ini
@@ -172,3 +172,9 @@
 
   [application/x-www-form-urlencoded: 0x00 in filename (formdata event)]
     expected: FAIL
+
+  [application/x-www-form-urlencoded: 0x00 in name (normal form)]
+    expected: FAIL
+
+  [application/x-www-form-urlencoded: \\r\\n in filename (formdata event)]
+    expected: FAIL
diff --git a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
deleted file mode 100644
index b8bdf33cb65..00000000000
--- a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[DOMContentLoaded-defer.html]
-  [The end: DOMContentLoaded and defer scripts]
-    expected: FAIL
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
new file mode 100644
index 00000000000..fc0233f5241
--- /dev/null
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini
@@ -0,0 +1,3 @@
+[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 e55f8f2ce3c..8845054116d 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
@@ -3,6 +3,3 @@
   expected: TIMEOUT
   [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-audiocontext-interface/audiocontext-not-fully-active.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
index b7537329068..eed03df37f3 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini
@@ -1,5 +1,4 @@
 [audiocontext-not-fully-active.html]
-  expected: TIMEOUT
   [frame in navigated remote-site frame]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/webmessaging/broadcastchannel/cross-partition.https.tentative.html.ini b/tests/wpt/metadata/webmessaging/broadcastchannel/cross-partition.https.tentative.html.ini
index 39d039a0132..04c2032c723 100644
--- a/tests/wpt/metadata/webmessaging/broadcastchannel/cross-partition.https.tentative.html.ini
+++ b/tests/wpt/metadata/webmessaging/broadcastchannel/cross-partition.https.tentative.html.ini
@@ -1,5 +1,5 @@
 [cross-partition.https.tentative.html]
-  expected: CRASH
+  expected: TIMEOUT
   [BroadcastChannel messages aren't received from a cross-partition iframe]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata/webmessaging/without-ports/017.html.ini
similarity index 100%
rename from tests/wpt/metadata/webmessaging/with-ports/017.html.ini
rename to tests/wpt/metadata/webmessaging/without-ports/017.html.ini
diff --git a/tests/wpt/metadata/webmessaging/with-ports/018.html.ini b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
similarity index 100%
rename from tests/wpt/metadata/webmessaging/with-ports/018.html.ini
rename to tests/wpt/metadata/webmessaging/without-ports/018.html.ini
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/mozilla/meta/css/stylesheet_media_queries.html.ini b/tests/wpt/mozilla/meta/css/stylesheet_media_queries.html.ini
new file mode 100644
index 00000000000..77ca6b0688d
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/stylesheet_media_queries.html.ini
@@ -0,0 +1,3 @@
+[stylesheet_media_queries.html]
+  [Media queries within stylesheets]
+    expected: FAIL
diff --git a/tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini b/tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini
deleted file mode 100644
index f78f699f620..00000000000
--- a/tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[scrollBy.html]
-  [Ensure that the window.scrollBy function affects scroll position as expected]
-    expected: FAIL
diff --git a/tests/wpt/web-platform-tests/background-fetch/mixed-content-and-allowed-schemes.https.window.js b/tests/wpt/web-platform-tests/background-fetch/mixed-content-and-allowed-schemes.https.window.js
index b5efd4b9167..87a84bf9fb5 100644
--- a/tests/wpt/web-platform-tests/background-fetch/mixed-content-and-allowed-schemes.https.window.js
+++ b/tests/wpt/web-platform-tests/background-fetch/mixed-content-and-allowed-schemes.https.window.js
@@ -30,22 +30,29 @@ backgroundFetchTest((t, bgFetch) => {
   return bgFetch.fetch(uniqueId(), 'http://localhost');
 }, 'localhost http: fetch should register ok');
 
+function testBgFetch(bgFetch, url)
+{
+  return bgFetch.fetch(uniqueId(), url).then(fetch => {
+    return fetch.match(url);
+  }).then(match => match.responseReady);
+}
+
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'wss:127.0.0.1'));
+                         testBgFetch(bgFetch, 'wss:127.0.0.1'));
 }, 'wss: fetch should reject');
 
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'file:///'));
+                         testBgFetch(bgFetch, 'file:///'));
 }, 'file: fetch should reject');
 
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'data:text/plain,foo'));
+                         testBgFetch(bgFetch, 'data:text/plain,foo'));
 }, 'data: fetch should reject');
 
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'foobar:bazqux'));
+                         testBgFetch(bgFetch, 'foobar:bazqux'));
 }, 'unknown scheme fetch should reject');
diff --git a/tests/wpt/web-platform-tests/background-fetch/port-blocking.https.window.js b/tests/wpt/web-platform-tests/background-fetch/port-blocking.https.window.js
index 24af8d991d5..358f382b649 100644
--- a/tests/wpt/web-platform-tests/background-fetch/port-blocking.https.window.js
+++ b/tests/wpt/web-platform-tests/background-fetch/port-blocking.https.window.js
@@ -28,8 +28,12 @@ backgroundFetchTest((t, bgFetch) => {
   return bgFetch.fetch(uniqueId(), 'https://example.com:8080');
 }, 'fetch to non-default non-bad port (8080) should register ok');
 
-backgroundFetchTest((t, bgFetch) => {
+backgroundFetchTest(async (t, bgFetch) => {
+  const promise = bgFetch.fetch(uniqueId(), 'https://example.com:587').then(fetch => {
+    return fetch.match('https://example.com:587');
+  }).then(record => record.responseReady);
+
   return promise_rejects_js(
       t, TypeError,
-      bgFetch.fetch(uniqueId(), 'https://example.com:587'));
+      promise);
 }, 'fetch to bad port (SMTP) should reject');
diff --git a/tests/wpt/web-platform-tests/battery-status/api-defined.https.html b/tests/wpt/web-platform-tests/battery-status/api-defined.https.html
new file mode 100644
index 00000000000..9fe41d4b492
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/api-defined.https.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const battery = await navigator.getBattery();
+
+  assert_not_equals(battery, undefined);
+  assert_equals(typeof battery.charging, 'boolean');
+  assert_equals(typeof battery.chargingTime, 'number');
+  assert_equals(typeof battery.dischargingTime, 'number');
+  assert_equals(typeof battery.level, 'number');
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+
+  assert_equals(typeof battery.onchargingchange, 'object');
+  assert_equals(typeof battery.onchargingtimechange, 'object');
+  assert_equals(typeof battery.ondischargingtimechange, 'object');
+  assert_equals(typeof battery.onlevelchange, 'object');
+}, 'verify basic getBattery API support');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/battery-status/battery-allowed-in-same-origin-iframe.https.html b/tests/wpt/web-platform-tests/battery-status/battery-allowed-in-same-origin-iframe.https.html
index c0d684f26d7..03475162dfc 100644
--- a/tests/wpt/web-platform-tests/battery-status/battery-allowed-in-same-origin-iframe.https.html
+++ b/tests/wpt/web-platform-tests/battery-status/battery-allowed-in-same-origin-iframe.https.html
@@ -18,7 +18,7 @@ function load_iframe(iframe, src) {
 
 promise_test(async t => {
   let iframe = document.getElementById('blank');
-  const src = 'support-iframe.html';
+  const src = 'resources/support-iframe.html';
   iframe = await load_iframe(iframe, src);
   await iframe.contentWindow.navigator.getBattery();
 }, "navigator.getBattery() is allowed in same origin iframe");
diff --git a/tests/wpt/web-platform-tests/battery-status/battery-disallowed-in-cross-origin-iframe.https.sub.html b/tests/wpt/web-platform-tests/battery-status/battery-disallowed-in-cross-origin-iframe.https.sub.html
index 097db219cf7..c86e01f6ab5 100644
--- a/tests/wpt/web-platform-tests/battery-status/battery-disallowed-in-cross-origin-iframe.https.sub.html
+++ b/tests/wpt/web-platform-tests/battery-status/battery-disallowed-in-cross-origin-iframe.https.sub.html
@@ -19,7 +19,7 @@ function load_iframe(iframe, src) {
 promise_test(async t => {
   let iframe = document.getElementById('blank');
   const path = location.pathname.substring(0, location.pathname.lastIndexOf('/') + 1);
-  const src = 'https://{{domains[www1]}}:{{ports[https][0]}}' + path + 'support-iframe.html';
+  const src = 'https://{{domains[www1]}}:{{ports[https][0]}}' + path + 'resources/support-iframe.html';
   iframe = await load_iframe(iframe, src);
   await promise_rejects_dom(t, 'NotAllowedError', iframe.contentWindow.navigator.getBattery());
 }, "throw a 'NotAllowedError' when invoking navigator.getBattery() within cross-origin iframe");
diff --git a/tests/wpt/web-platform-tests/battery-status/battery-promise-window.https.html b/tests/wpt/web-platform-tests/battery-status/battery-promise-window.https.html
index 37700aa5cb8..362ef936677 100644
--- a/tests/wpt/web-platform-tests/battery-status/battery-promise-window.https.html
+++ b/tests/wpt/web-platform-tests/battery-status/battery-promise-window.https.html
@@ -20,7 +20,7 @@
 <div id="log"></div>
 <script>
 async_test(function (t) {
-  var win = window.open('support-window-open.html');
+  var win = window.open('resources/support-window-open.html');
   window.onmessage = t.step_func(function(e) {
     assert_array_equals(e.data, [false, false, true]);
     win.close();
diff --git a/tests/wpt/web-platform-tests/battery-status/multiple-promises-after-resolve.https.html b/tests/wpt/web-platform-tests/battery-status/multiple-promises-after-resolve.https.html
new file mode 100644
index 00000000000..2b43f124c01
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/multiple-promises-after-resolve.https.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor)  => {
+  const promise1 = navigator.getBattery();
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const result1 = await promise1;
+  mockBatteryMonitor.verifyBatteryStatus(result1);
+  const promise2 = navigator.getBattery();
+  assert_equals(promise1, promise2);
+  const result2 = await promise2;
+  mockBatteryMonitor.verifyBatteryStatus(result2);
+}, 'multiple consecutive invocations of navigator.getBattery()');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/battery-status/multiple-promises.https.html b/tests/wpt/web-platform-tests/battery-status/multiple-promises.https.html
new file mode 100644
index 00000000000..35015c80ba9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/multiple-promises.https.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  const promise1 = navigator.getBattery();
+  const promise2 = navigator.getBattery();
+  assert_equals(promise1, promise2);
+
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  mockBatteryMonitor.verifyBatteryStatus(await promise1);
+  mockBatteryMonitor.verifyBatteryStatus(await promise2);
+}, 'multiple parallel invocations of navigator.getBattery()');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/battery-status/no-leak-on-detached-use.https.html b/tests/wpt/web-platform-tests/battery-status/no-leak-on-detached-use.https.html
new file mode 100644
index 00000000000..8ea7ea303c2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/no-leak-on-detached-use.https.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+function waitForMessage(data) {
+  return new Promise(
+      resolve => {
+        window.addEventListener('message', e => {
+          if (e.data == data) {
+            resolve();
+          }
+        }, {once: true});
+      });
+}
+
+promise_test(async t => {
+  const w = window.open('resources/window-postmessage-open-close.html');
+  await waitForMessage('opened');
+
+  const nav = w.navigator;
+  let result = nav.getBattery();
+  assert_equals(typeof result, 'object');
+  assert_equals(result.constructor, w.Promise);
+
+  w.close();
+  await waitForMessage('closed');
+  result = nav.getBattery();
+  assert_equals(result, undefined);
+}, 'navigator.getBattery() does not operate on a closed window');
+
+promise_test(async t => {
+  const iframe = document.createElement('iframe');
+  iframe.srcdoc = '<html></html>';
+  document.body.appendChild(iframe);
+
+  const frameNav = iframe.contentWindow.navigator;
+  document.body.removeChild(iframe);
+
+  const battery = await frameNav.getBattery();
+  assert_equals(battery, undefined);
+}, 'navigator.getBattery() on a detached frame does not leak or crash');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/battery-status/page-visibility.https.html b/tests/wpt/web-platform-tests/battery-status/page-visibility.https.html
new file mode 100644
index 00000000000..27cc0208a88
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/page-visibility.https.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/page-visibility/resources/window_state_context.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const battery = await navigator.getBattery();
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+
+  const fail = () => { throw new Error('unexpected levelchange event'); };
+  battery.addEventListener('levelchange', fail);
+
+  const {minimize, restore} = window_state_context(t);
+  await minimize();
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.55);
+  battery.removeEventListener('levelchange', fail);
+
+  const change =
+      new Promise(resolve => battery.addEventListener('levelchange', resolve));
+  await restore();
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.6);
+  await change;
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+}, 'battery status events only fire on visible pages');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/battery-status/promise-with-eventlisteners.https.html b/tests/wpt/web-platform-tests/battery-status/promise-with-eventlisteners.https.html
new file mode 100644
index 00000000000..6d7544b8560
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/promise-with-eventlisteners.https.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+function nextEvent(target, name) {
+  return new Promise(
+      resolve => target.addEventListener(name, resolve, {once: true}));
+}
+
+battery_status_test(async (t, mockBatteryMonitor) => {
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const battery = await navigator.getBattery();
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+
+  const events = Promise.all([
+    nextEvent(battery, 'chargingchange'),
+    nextEvent(battery, 'chargingtimechange'),
+    nextEvent(battery, 'dischargingtimechange'),
+    nextEvent(battery, 'levelchange'),
+  ]);
+
+  t.step_timeout(() => mockBatteryMonitor.setBatteryStatus(true, 11, 22, 0.6));
+
+  await events;
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+}, 'event listeners fire as specified');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/battery-status/resources/battery-status-helpers.js b/tests/wpt/web-platform-tests/battery-status/resources/battery-status-helpers.js
new file mode 100644
index 00000000000..02acfe6c295
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/resources/battery-status-helpers.js
@@ -0,0 +1,34 @@
+'use strict';
+
+// These tests rely on the User Agent providing an implementation of
+// platform battery status backends.
+//
+// In Chromium-based browsers this implementation is provided by a polyfill
+// in order to reduce the amount of test-only code shipped to users. To enable
+// these tests the browser must be run with these options:
+//
+//   --enable-blink-features=MojoJS,MojoJSTest
+
+let mockBatteryMonitor = undefined;
+
+function battery_status_test(func, name, properties) {
+  promise_test(async t => {
+    if (mockBatteryMonitor === undefined) {
+      if (isChromiumBased) {
+        const mocks =
+            await import('/resources/chromium/mock-battery-monitor.js');
+        mockBatteryMonitor = mocks.mockBatteryMonitor;
+      }
+    }
+    assert_implements(
+        mockBatteryMonitor, 'missing mockBatteryMonitor after initialization');
+
+    mockBatteryMonitor.start();
+
+    t.add_cleanup(() => {
+      mockBatteryMonitor.reset();
+      return mockBatteryMonitor.stop();
+    });
+    return func(t, mockBatteryMonitor);
+  }, name, properties);
+}
diff --git a/tests/wpt/web-platform-tests/battery-status/support-iframe.html b/tests/wpt/web-platform-tests/battery-status/resources/support-iframe.html
similarity index 100%
rename from tests/wpt/web-platform-tests/battery-status/support-iframe.html
rename to tests/wpt/web-platform-tests/battery-status/resources/support-iframe.html
diff --git a/tests/wpt/web-platform-tests/battery-status/support-window-open.html b/tests/wpt/web-platform-tests/battery-status/resources/support-window-open.html
similarity index 100%
rename from tests/wpt/web-platform-tests/battery-status/support-window-open.html
rename to tests/wpt/web-platform-tests/battery-status/resources/support-window-open.html
diff --git a/tests/wpt/web-platform-tests/battery-status/resources/window-postmessage-open-close.html b/tests/wpt/web-platform-tests/battery-status/resources/window-postmessage-open-close.html
new file mode 100644
index 00000000000..3adb8ceecdc
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/resources/window-postmessage-open-close.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<!-- Used when testing access of a closed/detached window's properties -->
+<html>
+<body onunload="opener.postMessage('closed', '*');">
+<script>
+opener.postMessage("opened", "*");
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/battery-status/restricted-level-precision.https.html b/tests/wpt/web-platform-tests/battery-status/restricted-level-precision.https.html
new file mode 100644
index 00000000000..a66a22cecf9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/battery-status/restricted-level-precision.https.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  const levelFullPrecision = 0.556789;
+  const levelRounded = 0.56;
+
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, levelFullPrecision);
+
+  const battery = await navigator.getBattery();
+  assert_equals(battery.level, levelRounded);
+}, 'battery level is reported with restricted precision');
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/cookies/resources/set-cookie.py b/tests/wpt/web-platform-tests/cookies/resources/set-cookie.py
index b18408767c1..1163531564f 100644
--- a/tests/wpt/web-platform-tests/cookies/resources/set-cookie.py
+++ b/tests/wpt/web-platform-tests/cookies/resources/set-cookie.py
@@ -34,5 +34,5 @@ def main(request, response):
         (b"Content-Type", b"application/json"),
         (b"Set-Cookie", cookie)
     ]
-    body = b"dummy value"
+    body = b"var dummy='value';"
     return headers, body
diff --git a/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/ref-common.css b/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/ref-common.css
index 92d77de0e5d..10da2b79206 100644
--- a/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/ref-common.css
+++ b/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/ref-common.css
@@ -5,7 +5,6 @@ body {
 div, p {
   padding: 0; margin: 0;
   line-height: 150%;
-  float: left;
 }
 p {
   padding-right: .5em;
diff --git a/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/test-common.css b/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/test-common.css
index 218dfcb7706..776105f11a4 100644
--- a/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/test-common.css
+++ b/tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/test-common.css
@@ -10,7 +10,6 @@ ol, ul {
   list-style-position: inside;
 }
 li, p {
-  float: left;
   padding: 0;
 }
 p {
diff --git a/tests/wpt/web-platform-tests/css/css-images/image-set/image-set-computed.sub.html b/tests/wpt/web-platform-tests/css/css-images/image-set/image-set-computed.sub.html
index 3fd04ac92c5..a25ca17835b 100644
--- a/tests/wpt/web-platform-tests/css/css-images/image-set/image-set-computed.sub.html
+++ b/tests/wpt/web-platform-tests/css/css-images/image-set/image-set-computed.sub.html
@@ -29,4 +29,8 @@ test_computed_value_variants('background-image', "image-set(url(http://{{host}}/
 test_computed_value_variants('background-image', "image-set(url(http://{{host}}/example.png) type('image/png'))", 'image-set(url("http://{{host}}/example.png") 1dppx type("image/png"))');
 test_computed_value_variants('background-image', "image-set(url(http://{{host}}/example.png) type('image/png') 1x)", 'image-set(url("http://{{host}}/example.png") 1dppx type("image/png"))');
 test_computed_value_variants('content', "image-set(url('http://{{host}}/example.png') 192dpi, linear-gradient(black, white) 1x)", 'image-set(url("http://{{host}}/example.png") 2dppx, linear-gradient(rgb(0, 0, 0), rgb(255, 255, 255)) 1dppx)');
+
+// Unsupported type should still serialize.
+test_computed_value_variants('background-image', 'image-set(url("http://{{host}}/example.png") type("image/unsupported"))', 'image-set(url("http://{{host}}/example.png") 1dppx type("image/unsupported"))');
+test_computed_value_variants('background-image', 'image-set(url("http://{{host}}/example.png") 2x type("image/unsupported"), url("http://{{host}}/example.png") 1x type("image/unsupported"))', 'image-set(url("http://{{host}}/example.png") 2dppx type("image/unsupported"), url("http://{{host}}/example.png") 1dppx type("image/unsupported"))');
 </script>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-parallel-flow-after-spanner-in-inline.html b/tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-parallel-flow-after-spanner-in-inline.html
new file mode 100644
index 00000000000..2c0981239b9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-parallel-flow-after-spanner-in-inline.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<div style="columns:3; column-fill:auto; height:64px;">
+  <span>
+    <div style="column-span:all; height:50px;"></div>
+    <div style="height:13px; padding-top:1px;">
+      <div style="columns:2; padding-bottom:5px;">
+        <div style="contain:size; width:1px; height:20px;"></div>
+      </div>
+    </div>
+  </span>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-table-caption-parallel-flow-after-spanner-in-inline.html b/tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-table-caption-parallel-flow-after-spanner-in-inline.html
new file mode 100644
index 00000000000..8de7e2f0d83
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-table-caption-parallel-flow-after-spanner-in-inline.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<div style="columns:2; column-fill:auto; height:100px;">
+  <span>
+    <div style="column-span:all; height:86px;"></div>
+    <div style="height:13px; padding-top:1px;">
+      <table style="padding-bottom:3px;">
+        <caption style="columns:2;">
+          <div style="contain:size; width:1px; height:20px;"></div>
+        </caption>
+      </table>
+    </div>
+  </span>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-001.html b/tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-001.html
new file mode 100644
index 00000000000..38cc5c10157
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-001.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div style="columns:2; column-fill:auto; gap:0; width:100px; height:100px; background:red;">
+  <span>
+    <div style="column-span:all; height:50px; background:green;"></div>
+    <div style="height:50px; background:green;">
+      <div style="height:120px;"></div>
+    </div>
+    <div style="display:inline-block; vertical-align:top; width:50px; height:50px; background:green;"></div>
+  </span>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-002.html b/tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-002.html
new file mode 100644
index 00000000000..f766be584d9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-002.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div style="columns:2; column-fill:auto; gap:0; width:100px; height:100px; background:red;">
+  <div style="height:10px;">
+    <div style="column-span:all; height:50px; background:green;"></div>
+    <div style="height:50px;"></div>
+    <div style="height:50px; background:green;"></div>
+    <div style="height:200px;"></div>
+  </div>
+  <div style="margin-top:-10px; height:50px; background:green;"></div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/text-wrap-balance-002-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/text-wrap-balance-002-ref.html
new file mode 100644
index 00000000000..d8c1834d957
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/text-wrap-balance-002-ref.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+.container {
+  font-family: Ahem;
+  font-size: 20px;
+  width: 20ch;
+}
+</style>
+<div class="container">
+  123 567 901 345 789 123
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-001-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-001-ref.html
new file mode 100644
index 00000000000..cab55564069
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-001-ref.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text reference</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+
+<style>
+p {
+  width: fit-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+</body>
+
+<script>
+for (i = 0x200b; i <= 0x200f; ++i) {
+  txt = "This should have no leading or trailing ["
+    + i.toString(16)
+    + "]";
+  p = document.createElement("p");
+  p.textContent = txt;
+  document.body.appendChild(p);
+}
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-002-ref.html b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-002-ref.html
new file mode 100644
index 00000000000..63bbe7ac026
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-002-ref.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text reference</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+
+<style>
+p {
+  width: min-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+  <p>
+    This
+    is
+    a
+    simple
+    test
+  </p>
+</body>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/text-wrap-balance-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/text-wrap-balance-002.html
new file mode 100644
index 00000000000..7366c6ac0f1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/text-wrap-balance-002.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<link rel="help" href="https://w3c.github.io/csswg-drafts/css-text-4/#valdef-text-wrap-balance">
+<link rel="mismatch" href="reference/text-wrap-balance-002-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+.container {
+  font-family: Ahem;
+  font-size: 20px;
+  width: 20ch;
+  text-wrap: balance;
+}
+</style>
+<div class="container">
+  123 567 901 345 789 123
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-001.html b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-001.html
new file mode 100644
index 00000000000..88c11f11549
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-001.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text Test: join controls do not disrupt white-space processing</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-rules">
+<!-- NB: The spec doesn't explicitly discuss join controls in this context,
+     but it is self-evident that they should not have any effect on the white-space processing.
+     Their only effect should be on the shaping (if any) of the adjacent characters. -->
+<link rel="match" href="reference/white-space-vs-joiners-001-ref.html">
+<meta name="assert" content="The presence of join controls (ZWJ/ZWNJ) at word edges should not affect white-space processing">
+
+<style>
+p {
+  width: fit-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+</body>
+
+<script>
+for (i = 0x200b; i <= 0x200f; ++i) {
+  txt = "  "
+    + String.fromCharCode(i)
+    + "This should have no leading or trailing ["
+    + i.toString(16)
+    + "]"
+    + String.fromCharCode(i)
+    + "  ";
+  p = document.createElement("p");
+  p.textContent = txt;
+  document.body.appendChild(p);
+}
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-002.html b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-002.html
new file mode 100644
index 00000000000..25470f02f2d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-002.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text Test: join controls do not disrupt white-space processing</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-rules">
+<!-- NB: The spec doesn't explicitly discuss join controls in this context,
+     but it is self-evident that they should not have any effect on the white-space processing.
+     Their only effect should be on the shaping (if any) of the adjacent characters. -->
+<link rel="match" href="reference/white-space-vs-joiners-002-ref.html">
+<meta name="assert" content="The presence of join controls (ZWJ/ZWNJ) at word edges should not affect white-space processing">
+
+<style>
+p {
+  width: min-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+  <p>
+    &#x200d;This&#x200d;
+    &#x200d;is&#x200d;
+    &#x200d;a&#x200d;
+    &#x200d;simple&#x200d;
+    &#x200d;test&#x200d;
+  </p>
+</body>
diff --git a/tests/wpt/web-platform-tests/css/css-variables/variable-definition.html b/tests/wpt/web-platform-tests/css/css-variables/variable-definition.html
index aaaaf6be232..d38b64c72ef 100644
--- a/tests/wpt/web-platform-tests/css/css-variables/variable-definition.html
+++ b/tests/wpt/web-platform-tests/css/css-variables/variable-definition.html
@@ -36,7 +36,7 @@
         { varName:"--var",     expectedValue:"value1 value2", style:"--var:value1 value2",  testName:" middle white space (single space)"},
         { varName:"--var",     expectedValue:"value",  style:"--var:value ",               testName:" trailing white space (single space)"},
         { varName:"--var",     expectedValue:"value", style:"--var:  value",              testName:" leading white space (double space) 2"},
-        { varName:"--var",     expectedValue:"value1 value2", style:"--var:value1  value2",testName:" middle white space (double space) 2"},
+        { varName:"--var",     expectedValue:"value1  value2", style:"--var:value1  value2",testName:" middle white space (double space) 2"},
         { varName:"--var",     expectedValue:"value", style:"--var:value  ",              testName:" trailing white space (double space) 2"},
         { varName:"--var",     expectedValue:"value1",  style:"--var:value1 !important;", testName:"!important"},
         { varName:"--var",     expectedValue:"value1",  style:"--var:value1!important;--var:value2;", testName:"!important 2"},
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-incoming.html b/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-incoming.html
index cdf1b32ab73..1a0719eaa9e 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-incoming.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-incoming.html
@@ -38,7 +38,7 @@ div { box-sizing: border-box; will-change: transform }
 ::view-transition-group(hidden) { animation-duration: 300s; }
 ::view-transition-image-pair(hidden) { visibility: hidden; }
 ::view-transition-group(root) { visibility: hidden; }
-::view-transition { background: pink; }
+::view-transition { width: 100%; height: 100%; background: pink; }
 ::view-transition-group(*) { animation-delay: 300s; }
 ::view-transition-new(*) { animation: unset; opacity: 1; }
 ::view-transition-old(*) { animation: unset; opacity: 0; }
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-outgoing.html b/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-outgoing.html
index 746b93afd40..1796284c06d 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-outgoing.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-outgoing.html
@@ -39,7 +39,7 @@ div { box-sizing: border-box; will-change: transform }
 ::view-transition-group(hidden) { animation-duration: 300s; }
 ::view-transition-image-pair(hidden) { visibility: hidden; }
 ::view-transition-group(root) { visibility: hidden; }
-::view-transition { background: pink; }
+::view-transition { width: 100%; height: 100%; background: pink; }
 ::view-transition-group(*) { animation-duration: 0s; }
 ::view-transition-new(*) { animation: unset; opacity: 0; }
 ::view-transition-old(*) { animation: unset; opacity: 1; }
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/content-visibility-auto-shared-element.html b/tests/wpt/web-platform-tests/css/css-view-transitions/content-visibility-auto-shared-element.html
index 11b4957fbcc..d76eab2fcd6 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/content-visibility-auto-shared-element.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/content-visibility-auto-shared-element.html
@@ -47,7 +47,7 @@ html::view-transition-group(*) { animation-duration: 0s; }
 html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 html::view-transition-group(root) { display: none; }
-html::view-transition { background: pink }
+html::view-transition { width: 100%; height: 100%; background: pink }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order-with-entry.html b/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order-with-entry.html
index 703b64f5c68..efd1aff5df7 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order-with-entry.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order-with-entry.html
@@ -84,7 +84,7 @@ html::view-transition-old(two),
 html::view-transition-old(three) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order.html b/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order.html
index c0e8769b473..28a955bad66 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order.html
@@ -69,7 +69,7 @@ html::view-transition-old(two),
 html::view-transition-old(three) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-shared-element.html b/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-shared-element.html
index 33bbae70fc6..9046b915b4f 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-shared-element.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-shared-element.html
@@ -51,7 +51,7 @@ html::view-transition-old(left-element),
 html::view-transition-old(right-element) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/far-away-capture.html b/tests/wpt/web-platform-tests/css/css-view-transitions/far-away-capture.html
index bfe0b9fb948..7b003cbb769 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/far-away-capture.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/far-away-capture.html
@@ -41,7 +41,7 @@ html::view-transition-group(*) { animation-duration: 0s; }
 html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 html::view-transition-group(root) { display: none; }
-html::view-transition { background: pink }
+html::view-transition { width: 100%; height: 100%; background: pink }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/japanese-tag.html b/tests/wpt/web-platform-tests/css/css-view-transitions/japanese-tag.html
index 976dcab4fca..67115a6fae6 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/japanese-tag.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/japanese-tag.html
@@ -60,7 +60,7 @@ html::view-transition-old(第三) { animation: unset; opacity: 1; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match-ref.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match-ref.html
index b8c3b34c03a..ca597dfbb84 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match-ref.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match-ref.html
@@ -32,7 +32,7 @@ html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=target class=box><div class=inner_overflow>X</div></div>
 <script>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match.html
index 78efa9d82fa..1549a402af0 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match.html
@@ -34,7 +34,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=target class=box><div class=inner_overflow>X</div></div>
 <script>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-clip-path.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-clip-path.html
index 4a2dfc78c27..0d4c94e47d6 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-clip-path.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-clip-path.html
@@ -31,7 +31,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box></div>
 <script>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-different-size.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-different-size.html
index a891dec5553..a3ecddaf26c 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-different-size.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-different-size.html
@@ -43,7 +43,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box>one</div>
 <div id=e2 class=box>two</div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-opacity.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-opacity.html
index ab4efd1f424..7f23f9110a9 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-opacity.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-opacity.html
@@ -26,7 +26,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box></div>
 <div id=e2 class=box></div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-positioned-spans.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-positioned-spans.html
index b88654cd379..39bbfbfb123 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-positioned-spans.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-positioned-spans.html
@@ -20,7 +20,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <span id=target>This is a span</span>
 <script>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-spans.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-spans.html
index 843f6752d76..661d7c8a01a 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-spans.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-spans.html
@@ -17,7 +17,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <span id=target>This is a span</span>
 <script>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-container-writing-modes.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-container-writing-modes.html
index e7ac768e17d..7b55a0f012f 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-container-writing-modes.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-container-writing-modes.html
@@ -53,7 +53,7 @@ html::view-transition-old(s3) { animation: unset; opacity: 0; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-element-writing-modes.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-element-writing-modes.html
index d7740d78f54..78ce545b74a 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-element-writing-modes.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-element-writing-modes.html
@@ -54,7 +54,7 @@ html::view-transition-old(s3) { animation: unset; opacity: 0; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html
index 53ec94122f0..69e8f82e9f1 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html
@@ -47,7 +47,7 @@ html::view-transition-group(target2) {
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target1 class=box></div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-empty-div.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-empty-div.html
index bacc63f1945..53f3e23b686 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-empty-div.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-empty-div.html
@@ -37,7 +37,7 @@ html::view-transition-new(shared) { animation: unset; opacity: 1; }
 html::view-transition-old(shared) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-inline.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-inline.html
index c341444f342..d971ec4eaa6 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-inline.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-inline.html
@@ -57,6 +57,8 @@ body { margin : 0; }
   view-transition-name: none;
 }
 ::view-transition {
+  width: 100%;
+  height: 100%;
   background-color: rebeccapurple;
 }
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-fill.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-fill.html
index b891eee16d5..2a34348c12a 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-fill.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-fill.html
@@ -57,7 +57,7 @@ html::view-transition-group(hidden) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target><div id=inner></div></div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-none.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-none.html
index d4b81b1a0ee..0ec9d0bc8a4 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-none.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-none.html
@@ -50,7 +50,7 @@ html::view-transition-group(hidden) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target>This is text</div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
index 01a3ed3204f..a8507f5f33e 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html
@@ -55,7 +55,7 @@ html::view-transition-new(target-two) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=one class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path.html
index dcd5fec70a1..d6a3f925cbf 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path.html
@@ -55,7 +55,7 @@ html::view-transition-new(target-two) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=one class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html
index 593901529f4..247a33d15bc 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html
@@ -46,7 +46,7 @@ html::view-transition-new(target) {
 html::view-transition-old(target) { animation: unset; opacity: 0; height: 100%; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow.html
index 2bbea1e1c4c..d0c129a1abf 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow.html
@@ -46,7 +46,7 @@ html::view-transition-new(target) {
 html::view-transition-old(target) { animation: unset; opacity: 0; height: 100%; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-scaling.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-scaling.html
index 4ea3c2e04a4..5ce6d5ba693 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-scaling.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-scaling.html
@@ -43,7 +43,7 @@ html::view-transition-old(shared) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target class="shared src"><div class=inner></div></div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow-zoomed.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow-zoomed.html
index 59170ebf003..fef9b26b2c2 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow-zoomed.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow-zoomed.html
@@ -34,7 +34,7 @@ html::view-transition-new(target) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=ancestor>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow.html
index e2dc045089b..d2c802dbf53 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-content-with-overflow.html
@@ -31,7 +31,7 @@ html::view-transition-new(target) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/new-element-on-start.html b/tests/wpt/web-platform-tests/css/css-view-transitions/new-element-on-start.html
index e3ec5463bfd..f0a8c144a98 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/new-element-on-start.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/new-element-on-start.html
@@ -42,7 +42,7 @@ html::view-transition-new(after) { animation-duration: 0s; }
 html::view-transition-old(after) { animation-duration: 0s; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-clip-path.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-clip-path.html
index a2faa7f1575..0734edd56fd 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-clip-path.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-clip-path.html
@@ -29,7 +29,7 @@ html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box></div>
 <script>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-different-size.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-different-size.html
index a8d375f0646..547cc4d7ba2 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-different-size.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-different-size.html
@@ -43,7 +43,7 @@ html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box>one</div>
 <div id=e2 class=box>two</div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-opacity.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-opacity.html
index ee3e3e4cde1..0b727f7972f 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-opacity.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-captures-opacity.html
@@ -27,7 +27,7 @@ html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box>one</div>
 <div id=e2 class=box>two</div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-container-writing-modes.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-container-writing-modes.html
index 9896c271527..383585335d6 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-container-writing-modes.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-container-writing-modes.html
@@ -60,7 +60,7 @@ html::view-transition-old(s3) { animation: unset; opacity: 1; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-element-writing-modes.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-element-writing-modes.html
index 5029c6aaaa3..b6903d10e61 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-element-writing-modes.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-element-writing-modes.html
@@ -60,7 +60,7 @@ html::view-transition-old(s3) { animation: unset; opacity: 1; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html
index b46a7782178..d166f438f4d 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-intrinsic-aspect-ratio.html
@@ -47,7 +47,7 @@ html::view-transition-group(target2) {
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target1 class=box></div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-empty-div.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-empty-div.html
index 137060c1ddb..54c56994d8c 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-empty-div.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-empty-div.html
@@ -36,7 +36,7 @@ html::view-transition-new(shared) { animation: unset; opacity: 1; }
 html::view-transition-old(shared) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-inline.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-inline.html
index 9f350237adc..9da15266bae 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-inline.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-is-inline.html
@@ -57,6 +57,8 @@ body { margin : 0; }
   view-transition-name: none;
 }
 ::view-transition {
+  width: 100%;
+  height: 100%;
   background-color: rebeccapurple;
 }
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-fill.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-fill.html
index 9ad8b14843f..fb7549cc408 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-fill.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-fill.html
@@ -57,7 +57,7 @@ html::view-transition-group(hidden) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target><div id=inner></div></div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-none.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-none.html
index 1275aece7ca..06472302b9e 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-none.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-fit-none.html
@@ -50,7 +50,7 @@ html::view-transition-group(hidden) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target>This is text</div>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html
index 14a1ee83d92..ac566029a0f 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path-reference.html
@@ -56,7 +56,7 @@ html::view-transition-old(target-two) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=one class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path.html
index dff57c68f6b..73100d05281 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-clip-path.html
@@ -56,7 +56,7 @@ html::view-transition-old(target-two) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=one class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-overflow.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-overflow.html
index ff9bb4e7d2b..7a1ef2d0052 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-overflow.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-object-view-box-overflow.html
@@ -45,7 +45,7 @@ html::view-transition-old(target) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow-zoomed.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow-zoomed.html
index 10257b761fa..887bf7c6482 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow-zoomed.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow-zoomed.html
@@ -34,7 +34,7 @@ html::view-transition-old(target) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=ancestor>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow.html b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow.html
index 6ed31d375c6..7a40c8e386a 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/old-content-with-overflow.html
@@ -31,7 +31,7 @@ html::view-transition-old(target) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=target>
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/root-style-change-during-animation.html b/tests/wpt/web-platform-tests/css/css-view-transitions/root-style-change-during-animation.html
index d1d291124bd..1453e5019d7 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/root-style-change-during-animation.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/root-style-change-during-animation.html
@@ -23,6 +23,8 @@
 }
 
 html::view-transition {
+  width: 100%;
+  height: 100%;
   background: grey;
 }
 
diff --git a/tests/wpt/web-platform-tests/css/css-view-transitions/set-universal-specificity.html b/tests/wpt/web-platform-tests/css/css-view-transitions/set-universal-specificity.html
index ec50b1e4078..1e8b7d0eb86 100644
--- a/tests/wpt/web-platform-tests/css/css-view-transitions/set-universal-specificity.html
+++ b/tests/wpt/web-platform-tests/css/css-view-transitions/set-universal-specificity.html
@@ -15,7 +15,7 @@
 }
 
 /* We're verifying what we capture, so just display the old contents for 5 minutes.  */
-html::view-transition { background: pink; }
+html::view-transition { width: 100%; height: 100%; background: pink; }
 html::view-transition-group(shared) { animation-duration: 300s; }
 
 html::view-transition-old(shared) {
diff --git a/tests/wpt/web-platform-tests/editing/crashtests/delete-after-justifyleft-in-closed-editable-dialog.html b/tests/wpt/web-platform-tests/editing/crashtests/delete-after-justifyleft-in-closed-editable-dialog.html
new file mode 100644
index 00000000000..185cb01ee51
--- /dev/null
+++ b/tests/wpt/web-platform-tests/editing/crashtests/delete-after-justifyleft-in-closed-editable-dialog.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<script>
+addEventListener("load", () => {
+  const dialog = document.querySelector("dialog");
+  dialog.showModal();
+  dialog.close();
+  document.execCommand("justifyLeft");
+  document.execCommand("delete");
+});
+</script>
+</head>
+<body><dialog contenteditable>
+</dialog></body>
+</html>
diff --git a/tests/wpt/web-platform-tests/fetch/api/credentials/authentication-redirection.any.js b/tests/wpt/web-platform-tests/fetch/api/credentials/authentication-redirection.any.js
index a0175e6d2a7..16656b5435a 100644
--- a/tests/wpt/web-platform-tests/fetch/api/credentials/authentication-redirection.any.js
+++ b/tests/wpt/web-platform-tests/fetch/api/credentials/authentication-redirection.any.js
@@ -16,7 +16,10 @@ promise_test(async test => {
 }, "getAuthorizationHeaderValue - no redirection");
 
 promise_test(async test => {
-  const result = await getAuthorizationHeaderValue("/fetch/api/resources/redirect.py?location=" + encodeURIComponent("/fetch/api/resources/dump-authorization-header.py"));
+  result = await getAuthorizationHeaderValue("/fetch/api/resources/redirect.py?location=" + encodeURIComponent("/fetch/api/resources/dump-authorization-header.py"));
+  assert_equals(result, authorizationValue);
+
+  result = await getAuthorizationHeaderValue(get_host_info().HTTPS_REMOTE_ORIGIN + "/fetch/api/resources/redirect.py?allow_headers=Authorization&location=" + encodeURIComponent(get_host_info().HTTPS_REMOTE_ORIGIN + "/fetch/api/resources/dump-authorization-header.py"));
   assert_equals(result, authorizationValue);
 }, "getAuthorizationHeaderValue - same origin redirection");
 
diff --git a/tests/wpt/web-platform-tests/fetch/orb/resources/empty.json b/tests/wpt/web-platform-tests/fetch/orb/resources/empty.json
new file mode 100644
index 00000000000..0967ef424bc
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fetch/orb/resources/empty.json
@@ -0,0 +1 @@
+{}
diff --git a/tests/wpt/web-platform-tests/fetch/orb/tentative/known-mime-type.sub.any.js b/tests/wpt/web-platform-tests/fetch/orb/tentative/known-mime-type.sub.any.js
index a7bb6630583..d0954c83555 100644
--- a/tests/wpt/web-platform-tests/fetch/orb/tentative/known-mime-type.sub.any.js
+++ b/tests/wpt/web-platform-tests/fetch/orb/tentative/known-mime-type.sub.any.js
@@ -29,7 +29,17 @@ promise_test(
       TypeError,
       fetchORB(`${path}/data.json`, null, contentType("application/json"))
     ),
-  "ORB should block opaque application/json"
+  "ORB should block opaque application/json (non-empty)"
+);
+
+promise_test(
+  t =>
+    promise_rejects_js(
+      t,
+      TypeError,
+      fetchORB(`${path}/empty.json`, null, contentType("application/json"))
+    ),
+  "ORB should block opaque application/json (empty)"
 );
 
 promise_test(async () => {
diff --git a/tests/wpt/web-platform-tests/fetch/origin/assorted.window.js b/tests/wpt/web-platform-tests/fetch/origin/assorted.window.js
index 423790dfb1e..033d010f35a 100644
--- a/tests/wpt/web-platform-tests/fetch/origin/assorted.window.js
+++ b/tests/wpt/web-platform-tests/fetch/origin/assorted.window.js
@@ -10,7 +10,7 @@ promise_test(async function () {
   // Cross-origin -> same-origin will result in setting the tainted origin flag for the second
   // request.
   let url = origins.HTTP_ORIGIN + redirectPath + "?stash=" + stash;
-  url = origins.HTTP_REMOTE_ORIGIN + redirectPath + "?stash=" + stash + "&location=" + encodeURIComponent(url);
+  url = origins.HTTP_REMOTE_ORIGIN + redirectPath + "?stash=" + stash + "&location=" + encodeURIComponent(url) + "&dummyJS";
 
   await fetch(url, { mode: "no-cors", method: "POST" });
 
@@ -123,7 +123,7 @@ function fetchReferrerPolicy(referrerPolicy, destination, fetchMode, expectedOri
     let fetchUrl =
         (destination === "same-origin" ? origins.HTTP_ORIGIN
                                        : origins.HTTP_REMOTE_ORIGIN) +
-        redirectPath + "?stash=" + stash;
+        redirectPath + "?stash=" + stash + "&dummyJS";
 
     await fetch(fetchUrl, { mode: fetchMode, method: httpMethod , "referrerPolicy": referrerPolicy});
 
diff --git a/tests/wpt/web-platform-tests/fetch/origin/resources/redirect-and-stash.py b/tests/wpt/web-platform-tests/fetch/origin/resources/redirect-and-stash.py
index 9bf9e1f18c2..36c584c08cc 100644
--- a/tests/wpt/web-platform-tests/fetch/origin/resources/redirect-and-stash.py
+++ b/tests/wpt/web-platform-tests/fetch/origin/resources/redirect-and-stash.py
@@ -23,10 +23,16 @@ def main(request, response):
     request.server.stash.put(key, origin_list)
 
     if b"location" in request.GET:
+        location = request.GET.first(b"location")
+        if b"dummyJS" in request.GET:
+            location += b"&dummyJS"
         response.status = 308
-        response.headers.set(b"Location", request.GET.first(b"location"))
+        response.headers.set(b"Location", location)
         return
 
     response.headers.set(b"Content-Type", b"text/html")
     response.headers.set(b"Access-Control-Allow-Origin", b"*")
-    response.content = b"<meta charset=utf-8>\n<body><script>parent.postMessage('loaded','*')</script></body>"
+    if b"dummyJS" in request.GET:
+        response.content = b"console.log('dummy JS')"
+    else:
+        response.content = b"<meta charset=utf-8>\n<body><script>parent.postMessage('loaded','*')</script></body>"
diff --git a/tests/wpt/web-platform-tests/fullscreen/model/move-fullscreen-element.html b/tests/wpt/web-platform-tests/fullscreen/model/move-fullscreen-element.html
new file mode 100644
index 00000000000..27f4c5dd82e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/fullscreen/model/move-fullscreen-element.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<title>Moving the fullscreen element should not leave the fullscreen flag</title>
+<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="../trusted-click.js"></script>
+
+<div id="fullscreen-element">Fullscreen element</div>
+
+<div id="new-parent"></div>
+
+<script>
+    promise_test(async () => {
+        const fullscreenElement = document.getElementById("fullscreen-element");
+        await trusted_request(fullscreenElement);
+        assert_true(fullscreenElement.matches(":fullscreen"), "Element has fullscreen flag");
+        assert_equals(document.fullscreenElement, fullscreenElement, "Element is fullscreen element");
+        document.getElementById("new-parent").appendChild(fullscreenElement);
+        assert_false(fullscreenElement.matches(":fullscreen"), "Element no longer has fullscreen flag after being moved");
+        assert_false(!!document.fullscreenElement, "There is no more fullscreen element, since fullscreen flag was removed");
+        await fullScreenChange();
+        assert_false(fullscreenElement.matches(":fullscreen"), "Element no longer has fullscreen flag after fullscreen change event");
+        assert_false(!!document.fullscreenElement, "There is no more fullscreen element, since fullscreen flag was removed");
+    });
+</script>
+</html>
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/coep-on-response-from-service-worker.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/coep-on-response-from-service-worker.https.html
index 939c618227b..b25b04ca4a4 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/coep-on-response-from-service-worker.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/coep-on-response-from-service-worker.https.html
@@ -44,7 +44,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   const w = frame.contentWindow;
-  await w.fetch('resources/nothing-cross-origin-corp.txt', {mode: 'no-cors'});
+  await w.fetch('resources/nothing-cross-origin-corp.js', {mode: 'no-cors'});
 }, 'making a same-origin request for CORP: cross-origin');
 
 promise_test(async (t) => {
@@ -63,7 +63,7 @@ promise_test(async (t) => {
 promise_test(async (t) => {
   const w = frame.contentWindow;
   await w.fetch(
-    remote('resources/nothing-cross-origin-corp.txt'),
+    remote('resources/nothing-cross-origin-corp.js'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin');
 
@@ -85,7 +85,7 @@ promise_test(async (t) => {
 promise_test(async (t) => {
   const w = frame.contentWindow;
   await w.fetch(
-    remote('resources/nothing-cross-origin-corp.txt?passthrough'),
+    remote('resources/nothing-cross-origin-corp.js?passthrough'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin [PASS THROUGH]');
 
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-none.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-none.https.html
index b539561effd..6d2cf0f64f0 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-none.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-none.https.html
@@ -34,7 +34,7 @@ promise_test(async (t) => {
 }, 'making a same-origin request for no CORP');
 
 promise_test(async (t) => {
-  await fetch('resources/nothing-cross-origin-corp.txt', {mode: 'no-cors'});
+  await fetch('resources/nothing-cross-origin-corp.js', {mode: 'no-cors'});
 }, 'making a same-origin request for CORP: cross-origin');
 
 promise_test(async (t) => {
@@ -49,7 +49,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt'),
+    remote('resources/nothing-cross-origin-corp.js'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin');
 
@@ -66,7 +66,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt?passthrough'),
+    remote('resources/nothing-cross-origin-corp.js?passthrough'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin [PASS THROUGH]');
 
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-require-corp.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-require-corp.https.html
index 36cf4a153bf..dc1209c40dc 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-require-corp.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/none-sw-from-require-corp.https.html
@@ -34,7 +34,7 @@ promise_test(async (t) => {
 }, 'making a same-origin request for no CORP');
 
 promise_test(async (t) => {
-  await fetch('resources/nothing-cross-origin-corp.txt', {mode: 'no-cors'});
+  await fetch('resources/nothing-cross-origin-corp.js', {mode: 'no-cors'});
 }, 'making a same-origin request for CORP: cross-origin');
 
 promise_test(async (t) => {
@@ -50,7 +50,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt'),
+    remote('resources/nothing-cross-origin-corp.js'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin');
 
@@ -69,7 +69,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt?passthrough'),
+    remote('resources/nothing-cross-origin-corp.js?passthrough'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin [PASS THROUGH]');
 
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-none.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-none.https.html
index a60b8bd457e..451761e8184 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-none.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-none.https.html
@@ -35,7 +35,7 @@ promise_test(async (t) => {
 }, 'making a same-origin request for no CORP');
 
 promise_test(async (t) => {
-  await fetch('resources/nothing-cross-origin-corp.txt', {mode: 'no-cors'});
+  await fetch('resources/nothing-cross-origin-corp.js', {mode: 'no-cors'});
 }, 'making a same-origin request for CORP: cross-origin');
 
 promise_test(async (t) => {
@@ -51,7 +51,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt'),
+    remote('resources/nothing-cross-origin-corp.js'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin');
 
@@ -68,7 +68,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt?passthrough'),
+    remote('resources/nothing-cross-origin-corp.js?passthrough'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin [PASS THROUGH]');
 
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-require-corp.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-require-corp.https.html
index deefc92b804..c270e3a0d6d 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-require-corp.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp-sw-from-require-corp.https.html
@@ -35,7 +35,7 @@ promise_test(async (t) => {
 }, 'making a same-origin request for no CORP');
 
 promise_test(async (t) => {
-  await fetch('resources/nothing-cross-origin-corp.txt', {mode: 'no-cors'});
+  await fetch('resources/nothing-cross-origin-corp.js', {mode: 'no-cors'});
 }, 'making a same-origin request for CORP: cross-origin');
 
 promise_test(async (t) => {
@@ -51,7 +51,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt'),
+    remote('resources/nothing-cross-origin-corp.js'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin');
 
@@ -70,7 +70,7 @@ promise_test(async (t) => {
 
 promise_test(async (t) => {
   await fetch(
-    remote('resources/nothing-cross-origin-corp.txt?passthrough'),
+    remote('resources/nothing-cross-origin-corp.js?passthrough'),
     {mode: 'no-cors'});
 }, 'making a cross-origin request for CORP: cross-origin [PASS THROUGH]');
 
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp.https.html
index d187e0f7601..ad64a485c01 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/require-corp.https.html
@@ -120,7 +120,7 @@ async_test(t => {
 });
 
 promise_test(async t => {
-  const response = await fetch(get_host_info().HTTPS_REMOTE_ORIGIN+"/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.txt", {mode: "no-cors"});
+  const response = await fetch(get_host_info().HTTPS_REMOTE_ORIGIN+"/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.js", {mode: "no-cors"});
   assert_equals(response.type, "opaque");
 }, `"require-corp" top-level: fetch() to CORP: cross-origin response should succeed`);
 
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.js b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.js
new file mode 100644
index 00000000000..662e9364f99
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.js
@@ -0,0 +1 @@
+/* Just an empty JS file */
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.txt.headers b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.js.headers
similarity index 100%
rename from tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.txt.headers
rename to tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.js.headers
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.txt b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.txt
deleted file mode 100644
index e61d8ee36c9..00000000000
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/nothing-cross-origin-corp.txt
+++ /dev/null
@@ -1 +0,0 @@
-nothing with cross-origin CORP
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js
index 10f05726fa2..fedecee9ea9 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/resources/require-corp-sw.js
@@ -12,7 +12,7 @@ self.addEventListener('message', e => {
       if (e.data === 'WithCorp') {
         url = get_host_info().HTTPS_REMOTE_ORIGIN +
             '/html/cross-origin-embedder-policy/resources/' +
-            'nothing-cross-origin-corp.txt';
+            'nothing-cross-origin-corp.js';
       } else if (e.data === 'WithoutCorp') {
         url = get_host_info().HTTPS_REMOTE_ORIGIN + '/common/blank.html';
       }
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/sandbox.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/sandbox.https.html
index 1e3f80a9186..7a29ac19440 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/sandbox.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/sandbox.https.html
@@ -16,7 +16,7 @@ async_test(t => {
 
   const origins = get_host_info();
   const frame = document.createElement("iframe");
-  const nothingCrossOriginCORP = new URL("resources/nothing-cross-origin-corp.txt", window.location).pathname;
+  const nothingCrossOriginCORP = new URL("resources/nothing-cross-origin-corp.js", window.location).pathname;
   const nothingSameOriginCORP = new URL("resources/nothing-same-origin-corp.txt", window.location).pathname;
   frame.sandbox = "allow-scripts";
   frame.srcdoc = `<script>
diff --git a/tests/wpt/web-platform-tests/lint.ignore b/tests/wpt/web-platform-tests/lint.ignore
index cddc3203b67..e74817f1732 100644
--- a/tests/wpt/web-platform-tests/lint.ignore
+++ b/tests/wpt/web-platform-tests/lint.ignore
@@ -755,6 +755,7 @@ MISSING DEPENDENCY: resources/chromium/webusb-test.js
 MISSING DEPENDENCY: resources/chromium/fake-serial.js
 MISSING DEPENDENCY: resources/chromium/fake-hid.js
 MISSING DEPENDENCY: resources/chromium/generic_sensor_mocks.js
+MISSING DEPENDENCY: resources/chromium/mock-battery-monitor.js
 MISSING DEPENDENCY: resources/chromium/mock-barcodedetection.js
 MISSING DEPENDENCY: resources/chromium/mock-direct-sockets.js
 MISSING DEPENDENCY: resources/chromium/mock-facedetection.js
@@ -790,7 +791,6 @@ AHEM SYSTEM FONT: infrastructure/assumptions/ahem.html
 
 # Existing crashtests using testharness
 TESTHARNESS-IN-OTHER-TYPE: accessibility/crashtests/computed-node-checked.html
-TESTHARNESS-IN-OTHER-TYPE: html/canvas/element/manual/wide-gamut-canvas/imagedata-no-color-settings-crash.html
 TESTHARNESS-IN-OTHER-TYPE: css/CSS2/floats-clear/adjoining-float-new-fc-crash.html
 TESTHARNESS-IN-OTHER-TYPE: css/CSS2/floats/floats-saturated-position-crash.html
 TESTHARNESS-IN-OTHER-TYPE: css/CSS2/linebox/video-needs-layout-crash.html
@@ -815,6 +815,7 @@ TESTHARNESS-IN-OTHER-TYPE: css/css-text/white-space/pre-with-whitespace-crash.ht
 TESTHARNESS-IN-OTHER-TYPE: css/css-writing-modes/bidi-inline-fragment-crash.html
 TESTHARNESS-IN-OTHER-TYPE: dom/svg-insert-crash.html
 TESTHARNESS-IN-OTHER-TYPE: editing/run/first-letter-crossing-engine-boundary-crash.html
+TESTHARNESS-IN-OTHER-TYPE: html/canvas/element/manual/wide-gamut-canvas/imagedata-no-color-settings-crash.html
 TESTHARNESS-IN-OTHER-TYPE: html/semantics/embedded-content/the-object-element/block-object-with-ruby-crash.html
 TESTHARNESS-IN-OTHER-TYPE: html/semantics/forms/the-input-element/time-datalist-crash.html
 TESTHARNESS-IN-OTHER-TYPE: html/semantics/forms/the-input-element/type-change-file-to-text-crash.html
diff --git a/tests/wpt/web-platform-tests/long-animation-frame/tentative/loaf-iframe-popup.html b/tests/wpt/web-platform-tests/long-animation-frame/tentative/loaf-iframe-popup.html
deleted file mode 100644
index 9cdb2c33410..00000000000
--- a/tests/wpt/web-platform-tests/long-animation-frame/tentative/loaf-iframe-popup.html
+++ /dev/null
@@ -1,67 +0,0 @@
-<!DOCTYPE HTML>
-<meta charset=utf-8>
-<title>Long Animation Frame Timing: iframes</title>
-<body>
-
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="/common/get-host-info.sub.js"></script>
-<script src="/common/utils.js"></script>
-<script src="/common/dispatcher/dispatcher.js"></script>
-<script src="resources/utils.js"></script>
-<div id="log"></div>
-<script>
-
-const host_info = get_host_info();
-const {ORIGIN, REMOTE_ORIGIN, HTTP_NOTSAMESITE_ORIGIN} = host_info;
-
-promise_test(async t => {
-    const executor = await prepare_exec_iframe(t, ORIGIN);
-    await expect_no_long_frame(() => executor.execute_script((duration) => {
-        const deadline = performance.now() + duration;
-        while (performance.now() < deadline) {}
-    }, [very_long_frame_duration]), t);
-}, 'A long busy wait without render in a same-origin iframe is not a long animation frame');
-
-promise_test(async t => {
-    const executor = await prepare_exec_iframe(t, HTTP_NOTSAMESITE_ORIGIN);
-    await expect_no_long_frame(() => executor.execute_script((duration) => {
-        const deadline = performance.now() + duration;
-        while (performance.now() < deadline) {}
-    }, [very_long_frame_duration]), t);
-}, 'A long busy wait in a cross-origin iframe is not a long animation frame');
-
-promise_test(async t => {
-    const executor = await prepare_exec_iframe(t, ORIGIN);
-    await expect_long_frame(() => executor.execute_script(async (duration) => {
-        await new Promise(resolve => window.requestAnimationFrame(resolve));
-        const deadline = performance.now() + duration;
-        while (performance.now() < deadline) {}
-    }, [very_long_frame_duration]), t);
-}, 'A long busy wait in a same-origin requestAnimationFrame is a long animation frame');
-
-promise_test(async t => {
-    const executor = await prepare_exec_popup(t, ORIGIN);
-    await expect_no_long_frame(() => executor.execute_script((duration) => {
-        const deadline = performance.now() + duration;
-        while (performance.now() < deadline) {}
-    }), t);
-}, 'A long busy wait in a same-origin popup is a not long animation frame');
-
-for (const origin of ["ORIGIN", "REMOTE_ORIGIN", "HTTP_NOTSAMESITE_ORIGIN"]) {
-    promise_test(async t => {
-        const executor = await prepare_exec_iframe(t, host_info[origin]);
-        const entry = await executor.execute_script(async (duration) => {
-            const entryPromise = new Promise(resolve => new PerformanceObserver(list => {
-                resolve(list.getEntries(0));
-            }).observe({entryTypes: ["long-animation-frame"]}));
-            const deadline = performance.now() + duration;
-            while (performance.now() < deadline) {}
-            return entryPromise;
-        }, [very_long_frame_duration]);
-    }, `frames receive own long animation frames (${origin})`);
-}
-
-
-</script>
-</body>
diff --git a/tests/wpt/web-platform-tests/resource-timing/fetch-cross-origin-redirect.https.html b/tests/wpt/web-platform-tests/resource-timing/fetch-cross-origin-redirect.https.html
index 4193422653a..1605e224ab4 100644
--- a/tests/wpt/web-platform-tests/resource-timing/fetch-cross-origin-redirect.https.html
+++ b/tests/wpt/web-platform-tests/resource-timing/fetch-cross-origin-redirect.https.html
@@ -12,7 +12,7 @@
 
 const {REMOTE_ORIGIN, ORIGIN} = get_host_info();
 const redirect = "/common/redirect.py?" +
-                 "location=/resource-timing/resources/green.html";
+                 "location=/resource-timing/resources/empty_script.js";
 const cross_origin_redirect = REMOTE_ORIGIN + redirect;
 const same_origin_redirect = ORIGIN + redirect;
 
diff --git a/tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.headers b/tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.headers
new file mode 100644
index 00000000000..6805c323df5
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.headers
@@ -0,0 +1 @@
+Content-Type: text/javascript; charset=utf-8
diff --git a/tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.js b/tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.js
new file mode 100644
index 00000000000..8fa27bc56a1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/resources/chromium/mock-battery-monitor.js
@@ -0,0 +1,61 @@
+import {BatteryMonitor, BatteryMonitorReceiver} from '/gen/services/device/public/mojom/battery_monitor.mojom.m.js';
+
+class MockBatteryMonitor {
+  constructor() {
+    this.receiver_ = new BatteryMonitorReceiver(this);
+    this.interceptor_ =
+        new MojoInterfaceInterceptor(BatteryMonitor.$interfaceName);
+    this.interceptor_.oninterfacerequest = e =>
+        this.receiver_.$.bindHandle(e.handle);
+    this.reset();
+  }
+
+  start() {
+    this.interceptor_.start();
+  }
+
+  stop() {
+    this.interceptor_.stop();
+  }
+
+  reset() {
+    this.pendingRequests_ = [];
+    this.status_ = null;
+    this.lastKnownStatus_ = null;
+  }
+
+  queryNextStatus() {
+    const result = new Promise(resolve => this.pendingRequests_.push(resolve));
+    this.runCallbacks_();
+    return result;
+  }
+
+  setBatteryStatus(charging, chargingTime, dischargingTime, level) {
+    this.status_ = {charging, chargingTime, dischargingTime, level};
+    this.lastKnownStatus_ = this.status_;
+    this.runCallbacks_();
+  }
+
+  verifyBatteryStatus(manager) {
+    assert_not_equals(manager, undefined);
+    assert_not_equals(this.lastKnownStatus_, null);
+    assert_equals(manager.charging, this.lastKnownStatus_.charging);
+    assert_equals(manager.chargingTime, this.lastKnownStatus_.chargingTime);
+    assert_equals(
+        manager.dischargingTime, this.lastKnownStatus_.dischargingTime);
+    assert_equals(manager.level, this.lastKnownStatus_.level);
+  }
+
+  runCallbacks_() {
+    if (!this.status_ || !this.pendingRequests_.length)
+      return;
+
+    let result = {status: this.status_};
+    while (this.pendingRequests_.length) {
+      this.pendingRequests_.pop()(result);
+    }
+    this.status_ = null;
+  }
+}
+
+export const mockBatteryMonitor = new MockBatteryMonitor();
diff --git a/tests/wpt/web-platform-tests/scroll-animations/css/view-timeline-with-transform-on-subject.html b/tests/wpt/web-platform-tests/scroll-animations/css/view-timeline-with-transform-on-subject.html
new file mode 100644
index 00000000000..e4abac7219b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/scroll-animations/css/view-timeline-with-transform-on-subject.html
@@ -0,0 +1,76 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/#named-timeline-range">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/web-animations/testcommon.js"></script>
+<script src="support/testcommon.js"></script>
+<title>Animation range and delay</title>
+</head>
+<style type="text/css">
+  @keyframes anim {
+    from { transform: scaleX(0) translateY(0); }
+    to { transform: scaleX(1) translatey(50vh); }
+  }
+  #scroller {
+    border:  10px solid lightgray;
+    overflow-y: scroll;
+    overflow-x: hidden;
+    width: 300px;
+    height: 200px;
+  }
+  .spacer {
+    height: 200px;
+  }
+  #target {
+    height: 50px;
+    background-color: green;
+    animation: anim auto both linear;
+    animation-timeline: view();
+    animation-range-start: contain 0%;
+    animation-range-end: contain 100%;
+  }
+</style>
+<body>
+  <div id=scroller>
+    <div class="spacer"></div>
+    <div id="target"></div>
+    <div class="spacer"></div>
+  </div>
+</body>
+<script type="text/javascript">
+  async function runTest() {
+    function assert_progress_equals(anim, expected, errorMessage) {
+      assert_approx_equals(
+          anim.effect.getComputedTiming().progress,
+          expected, 1e-6, errorMessage);
+    }
+
+    promise_test(async t => {
+      await waitForNextFrame();
+      const anim = document.getAnimations()[0];
+      await anim.ready;
+      await waitForNextFrame();
+
+      // @ contain 0%
+      scroller.scrollTop = 50;
+      await waitForNextFrame();
+      assert_progress_equals(anim, 0, 'progress at contain 0%');
+
+      // @ contain 50%
+      scroller.scrollTop = 125;
+      await waitForNextFrame();
+      assert_progress_equals(anim, 0.5, 'progress at contain 50%');
+
+      // @ contain 100%
+      scroller.scrollTop = 200;
+      await waitForNextFrame();
+      assert_progress_equals(anim, 1, 'progress at contain 100%');
+    }, 'ViewTimeline use untransformed box for range calculations');
+  }
+
+  window.onload = runTest;
+</script>
+</html>
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/local-url-inherit-controller-frame.html b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/local-url-inherit-controller-frame.html
index 5520c3a31bf..b1e554d2204 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/local-url-inherit-controller-frame.html
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/local-url-inherit-controller-frame.html
@@ -2,7 +2,7 @@
 <html>
 <script>
 
-const fetchURL = new URL('sample.txt', window.location).href;
+const fetchURL = new URL('sample.js', window.location).href;
 
 const frameControllerText =
 `<script>
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/opaque-response-preloaded-worker.js b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/opaque-response-preloaded-worker.js
index 9859bad45b7..4fbe35df277 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/opaque-response-preloaded-worker.js
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/opaque-response-preloaded-worker.js
@@ -1,7 +1,7 @@
 importScripts('/common/get-host-info.sub.js');
 
 var remoteUrl = get_host_info()['HTTPS_REMOTE_ORIGIN'] +
-  '/service-workers/service-worker/resources/simple.txt'
+  '/service-workers/service-worker/resources/sample.js'
 
 self.addEventListener('fetch', event => {
     if (!event.request.url.match(/opaque-response\?from=/)) {
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/sample.js b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/sample.js
new file mode 100644
index 00000000000..b8889db05d0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/sample.js
@@ -0,0 +1 @@
+var hello = "world";
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/sandboxed-iframe-fetch-event-iframe.py b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/sandboxed-iframe-fetch-event-iframe.py
index 409a15b156e..0281b6c2755 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/sandboxed-iframe-fetch-event-iframe.py
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/sandboxed-iframe-fetch-event-iframe.py
@@ -5,7 +5,7 @@ from wptserve.utils import isomorphic_decode
 def main(request, response):
   header = [(b'Content-Type', b'text/html')]
   if b'test' in request.GET:
-    with open(os.path.join(os.path.dirname(isomorphic_decode(__file__)), u'blank.html'), u'r') as f:
+    with open(os.path.join(os.path.dirname(isomorphic_decode(__file__)), u'sample.js'), u'r') as f:
       body = f.read()
     return (header, body)
 
diff --git a/tests/wpt/web-platform-tests/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.https.window.js b/tests/wpt/web-platform-tests/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.https.window.js
index 060501d1b00..76e5bf83b1e 100644
--- a/tests/wpt/web-platform-tests/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.https.window.js
+++ b/tests/wpt/web-platform-tests/top-level-storage-access-api/tentative/requestStorageAccessForOrigin.sub.https.window.js
@@ -28,6 +28,8 @@ queryParams.forEach((param) => {
   }
 });
 
+const requestedOrigin = 'https://foo.com';
+
 // TODO(crbug.com/1351540): when/if requestStorageAccessForOrigin is standardized,
 // upstream with the Storage Access API helpers file.
 function RunRequestStorageAccessForOriginInDetachedFrame(site) {
@@ -52,6 +54,12 @@ test(
     '[' + testPrefix +
         '] document.requestStorageAccessForOrigin() should be supported on the document interface');
 
+// Promise tests should all start with the feature in "prompt" state.
+promise_setup(async () => {
+  await test_driver.set_permission(
+    { name: 'top-level-storage-access', requestedOrigin }, 'prompt');
+});
+
 promise_test(
   t => {
     return promise_rejects_js(t, TypeError,
@@ -65,7 +73,7 @@ if (topLevelDocument) {
   promise_test(
       t => {
         return promise_rejects_dom(t, 'NotAllowedError',
-          document.requestStorageAccessForOrigin('https://test.com'),
+          document.requestStorageAccessForOrigin(requestedOrigin),
          'document.requestStorageAccessForOrigin() call without user gesture');
       },
       '[' + testPrefix +
@@ -75,7 +83,7 @@ if (topLevelDocument) {
     const description =
         'document.requestStorageAccessForOrigin() call in a detached frame';
     // Can't use promise_rejects_dom here because the exception is from the wrong global.
-    return RunRequestStorageAccessForOriginInDetachedFrame('https://foo.com')
+    return RunRequestStorageAccessForOriginInDetachedFrame(requestedOrigin)
         .then(t.unreached_func('Should have rejected: ' + description))
         .catch((e) => {
           assert_equals(e.name, 'InvalidStateError', description);
@@ -85,13 +93,23 @@ if (topLevelDocument) {
   promise_test(async t => {
     const description =
         'document.requestStorageAccessForOrigin() in a detached DOMParser result';
-    return RunRequestStorageAccessForOriginViaDomParser('https://foo.com')
+    return RunRequestStorageAccessForOriginViaDomParser(requestedOrigin)
         .then(t.unreached_func('Should have rejected: ' + description))
         .catch((e) => {
           assert_equals(e.name, 'InvalidStateError', description);
         });
   }, '[non-fully-active] document.requestStorageAccessForOrigin() should not resolve when run in a detached DOMParser document');
 
+  promise_test(
+    async t => {
+      await test_driver.set_permission(
+        { name: 'top-level-storage-access', requestedOrigin }, 'granted');
+
+      await document.requestStorageAccessForOrigin(requestedOrigin);
+    },
+    '[' + testPrefix +
+    '] document.requestStorageAccessForOrigin() should be resolved without a user gesture with an existing permission');
+
   // Create a test with a single-child same-origin iframe.
   // This will validate that calls to requestStorageAccessForOrigin are rejected
   // in non-top-level contexts.
@@ -124,18 +142,6 @@ if (topLevelDocument) {
       '[' + testPrefix +
           '] document.requestStorageAccessForOrigin() should be rejected when called with an opaque origin');
 
-
-  promise_test(
-    async t => {
-      await test_driver.set_permission(
-        { name: 'top-level-storage-access', requestedOrigin: 'https://foo.com' }, 'granted');
-
-      await RunCallbackWithGesture(
-        () => document.requestStorageAccessForOrigin('https://foo.com'));
-    },
-    '[' + testPrefix +
-    '] document.requestStorageAccessForOrigin() should be resolved when called properly with a user gesture');
-
 } else {
   promise_test(
       async t => {
diff --git a/tests/wpt/web-platform-tests/webdriver/tests/execute_async_script/execute_async.py b/tests/wpt/web-platform-tests/webdriver/tests/execute_async_script/execute_async.py
index d0b9daee415..42cf4aacee8 100644
--- a/tests/wpt/web-platform-tests/webdriver/tests/execute_async_script/execute_async.py
+++ b/tests/wpt/web-platform-tests/webdriver/tests/execute_async_script/execute_async.py
@@ -25,6 +25,27 @@ def test_no_browsing_context(session, closed_frame):
     assert_error(response, "no such window")
 
 
+@pytest.mark.parametrize("expression, expected", [
+    ("null", None),
+    ("undefined", None),
+    ("true", True),
+    ("false", False),
+    ("23", 23),
+    ("'foo'", "foo"),
+    (
+        # Compute value in the runtime to reduce the potential for
+        # interference from encoding literal bytes or escape sequences in
+        # Python and HTTP.
+        "String.fromCharCode(0)",
+        "\x00"
+    )
+])
+def test_primitive_serialization(session, expression, expected):
+    response = execute_async_script(session, "arguments[0]({});".format(expression))
+    value = assert_success(response)
+    assert value == expected
+
+
 @pytest.mark.parametrize("dialog_type", ["alert", "confirm", "prompt"])
 def test_abort_by_user_prompt(session, dialog_type):
     response = execute_async_script(
diff --git a/tests/wpt/web-platform-tests/webdriver/tests/execute_script/execute.py b/tests/wpt/web-platform-tests/webdriver/tests/execute_script/execute.py
index adfd2836f32..fbccc986338 100644
--- a/tests/wpt/web-platform-tests/webdriver/tests/execute_script/execute.py
+++ b/tests/wpt/web-platform-tests/webdriver/tests/execute_script/execute.py
@@ -25,6 +25,27 @@ def test_no_browsing_context(session, closed_frame):
     assert_error(response, "no such window")
 
 
+@pytest.mark.parametrize("expression, expected", [
+    ("null", None),
+    ("undefined", None),
+    ("true", True),
+    ("false", False),
+    ("23", 23),
+    ("'foo'", "foo"),
+    (
+        # Compute value in the runtime to reduce the potential for
+        # interference from encoding literal bytes or escape sequences in
+        # Python and HTTP.
+        "String.fromCharCode(0)",
+        "\x00"
+    )
+])
+def test_primitive_serialization(session, expression, expected):
+    response = execute_script(session, "return {};".format(expression))
+    value = assert_success(response)
+    assert value == expected
+
+
 def test_opening_new_window_keeps_current_window_handle(session, inline):
     original_handle = session.window_handle
     original_handles = session.handles
diff --git a/tests/wpt/web-platform-tests/webnn/hard_swish.https.any.js b/tests/wpt/web-platform-tests/webnn/hard_swish.https.any.js
new file mode 100644
index 00000000000..052c7f2a208
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webnn/hard_swish.https.any.js
@@ -0,0 +1,10 @@
+// META: title=test WebNN API tanh operation
+// META: global=window,dedicatedworker
+// META: script=./resources/utils.js
+// META: timeout=long
+
+'use strict';
+
+// https://webmachinelearning.github.io/webnn/#api-mlgraphbuilder-hard-swish
+
+testWebNNOperation('hardSwish', buildOperationWithSingleInput);
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/webnn/resources/test_data/hard_swish.json b/tests/wpt/web-platform-tests/webnn/resources/test_data/hard_swish.json
new file mode 100644
index 00000000000..8d7812d21e2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webnn/resources/test_data/hard_swish.json
@@ -0,0 +1,334 @@
+{
+  "tests": [
+    {
+      "name": "hardSwish float32 1D tensor",
+      "inputs": {
+        "x": {
+          "shape": [24],
+          "data": [
+            0.7341583533045579,
+            9.118859151005996,
+            3.545238531520827,
+            2.621943879280181,
+            -6.445507690595167,
+            -1.6835596550754381,
+            5.523179785756591,
+            -5.958856051028132,
+            -9.169189933081544,
+            6.420943542920213,
+            -3.293031330275471,
+            1.0410166785810624,
+            -7.246322671816956,
+            -0.9472730969847909,
+            -5.778352255817807,
+            3.185229125228698,
+            -7.261818072290236,
+            4.174602615173795,
+            3.7802628241590686,
+            -6.07124038718255,
+            -9.909919471919547,
+            -7.744259390113584,
+            -8.286120816748381,
+            8.083491160956697
+          ],
+          "type": "float32"
+        }
+      },
+      "expected": {
+        "name": "output",
+        "shape": [24],
+        "data": [
+          0.4569105803966522,
+          9.11885929107666,
+          3.545238494873047,
+          2.4567370414733887,
+          0,
+          -0.3693843185901642,
+          5.52318000793457,
+          0,
+          0,
+          6.420943737030029,
+          0,
+          0.7011276483535767,
+          0,
+          -0.3240821659564972,
+          0,
+          3.1852290630340576,
+          0,
+          4.174602508544922,
+          3.7802627086639404,
+          0,
+          0,
+          0,
+          0,
+          8.083491325378418
+        ],
+        "type": "float32"
+      }
+    },
+    {
+      "name": "hardSwish float32 2D tensor",
+      "inputs": {
+        "x": {
+          "shape": [4, 6],
+          "data": [
+            0.7341583533045579,
+            9.118859151005996,
+            3.545238531520827,
+            2.621943879280181,
+            -6.445507690595167,
+            -1.6835596550754381,
+            5.523179785756591,
+            -5.958856051028132,
+            -9.169189933081544,
+            6.420943542920213,
+            -3.293031330275471,
+            1.0410166785810624,
+            -7.246322671816956,
+            -0.9472730969847909,
+            -5.778352255817807,
+            3.185229125228698,
+            -7.261818072290236,
+            4.174602615173795,
+            3.7802628241590686,
+            -6.07124038718255,
+            -9.909919471919547,
+            -7.744259390113584,
+            -8.286120816748381,
+            8.083491160956697
+          ],
+          "type": "float32"
+        }
+      },
+      "expected": {
+        "name": "output",
+        "shape": [4, 6],
+        "data": [
+          0.4569105803966522,
+          9.11885929107666,
+          3.545238494873047,
+          2.4567370414733887,
+          0,
+          -0.3693843185901642,
+          5.52318000793457,
+          0,
+          0,
+          6.420943737030029,
+          0,
+          0.7011276483535767,
+          0,
+          -0.3240821659564972,
+          0,
+          3.1852290630340576,
+          0,
+          4.174602508544922,
+          3.7802627086639404,
+          0,
+          0,
+          0,
+          0,
+          8.083491325378418
+        ],
+        "type": "float32"
+      }
+    },
+    {
+      "name": "hardSwish float32 3D tensor",
+      "inputs": {
+        "x": {
+          "shape": [2, 3, 4],
+          "data": [
+            0.7341583533045579,
+            9.118859151005996,
+            3.545238531520827,
+            2.621943879280181,
+            -6.445507690595167,
+            -1.6835596550754381,
+            5.523179785756591,
+            -5.958856051028132,
+            -9.169189933081544,
+            6.420943542920213,
+            -3.293031330275471,
+            1.0410166785810624,
+            -7.246322671816956,
+            -0.9472730969847909,
+            -5.778352255817807,
+            3.185229125228698,
+            -7.261818072290236,
+            4.174602615173795,
+            3.7802628241590686,
+            -6.07124038718255,
+            -9.909919471919547,
+            -7.744259390113584,
+            -8.286120816748381,
+            8.083491160956697
+          ],
+          "type": "float32"
+        }
+      },
+      "expected": {
+        "name": "output",
+        "shape": [2, 3, 4],
+        "data": [
+          0.4569105803966522,
+          9.11885929107666,
+          3.545238494873047,
+          2.4567370414733887,
+          0,
+          -0.3693843185901642,
+          5.52318000793457,
+          0,
+          0,
+          6.420943737030029,
+          0,
+          0.7011276483535767,
+          0,
+          -0.3240821659564972,
+          0,
+          3.1852290630340576,
+          0,
+          4.174602508544922,
+          3.7802627086639404,
+          0,
+          0,
+          0,
+          0,
+          8.083491325378418
+        ],
+        "type": "float32"
+      }
+    },
+    {
+      "name": "hardSwish float32 4D tensor",
+      "inputs": {
+        "x": {
+          "shape": [2, 2, 2, 3],
+          "data": [
+            0.7341583533045579,
+            9.118859151005996,
+            3.545238531520827,
+            2.621943879280181,
+            -6.445507690595167,
+            -1.6835596550754381,
+            5.523179785756591,
+            -5.958856051028132,
+            -9.169189933081544,
+            6.420943542920213,
+            -3.293031330275471,
+            1.0410166785810624,
+            -7.246322671816956,
+            -0.9472730969847909,
+            -5.778352255817807,
+            3.185229125228698,
+            -7.261818072290236,
+            4.174602615173795,
+            3.7802628241590686,
+            -6.07124038718255,
+            -9.909919471919547,
+            -7.744259390113584,
+            -8.286120816748381,
+            8.083491160956697
+          ],
+          "type": "float32"
+        }
+      },
+      "expected": {
+        "name": "output",
+        "shape": [2, 2, 2, 3],
+        "data": [
+          0.4569105803966522,
+          9.11885929107666,
+          3.545238494873047,
+          2.4567370414733887,
+          0,
+          -0.3693843185901642,
+          5.52318000793457,
+          0,
+          0,
+          6.420943737030029,
+          0,
+          0.7011276483535767,
+          0,
+          -0.3240821659564972,
+          0,
+          3.1852290630340576,
+          0,
+          4.174602508544922,
+          3.7802627086639404,
+          0,
+          0,
+          0,
+          0,
+          8.083491325378418
+        ],
+        "type": "float32"
+      }
+    },
+    {
+      "name": "hardSwish float32 5D tensor",
+      "inputs": {
+        "x": {
+          "shape": [2, 1, 4, 1, 3],
+          "data": [
+            0.7341583533045579,
+            9.118859151005996,
+            3.545238531520827,
+            2.621943879280181,
+            -6.445507690595167,
+            -1.6835596550754381,
+            5.523179785756591,
+            -5.958856051028132,
+            -9.169189933081544,
+            6.420943542920213,
+            -3.293031330275471,
+            1.0410166785810624,
+            -7.246322671816956,
+            -0.9472730969847909,
+            -5.778352255817807,
+            3.185229125228698,
+            -7.261818072290236,
+            4.174602615173795,
+            3.7802628241590686,
+            -6.07124038718255,
+            -9.909919471919547,
+            -7.744259390113584,
+            -8.286120816748381,
+            8.083491160956697
+          ],
+          "type": "float32"
+        }
+      },
+      "expected": {
+        "name": "output",
+        "shape": [2, 1, 4, 1, 3],
+        "data": [
+          0.4569105803966522,
+          9.11885929107666,
+          3.545238494873047,
+          2.4567370414733887,
+          0,
+          -0.3693843185901642,
+          5.52318000793457,
+          0,
+          0,
+          6.420943737030029,
+          0,
+          0.7011276483535767,
+          0,
+          -0.3240821659564972,
+          0,
+          3.1852290630340576,
+          0,
+          4.174602508544922,
+          3.7802627086639404,
+          0,
+          0,
+          0,
+          0,
+          8.083491325378418
+        ],
+        "type": "float32"
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/tests/wpt/web-platform-tests/webnn/resources/utils.js b/tests/wpt/web-platform-tests/webnn/resources/utils.js
index 858424a36d4..266ef3ac089 100644
--- a/tests/wpt/web-platform-tests/webnn/resources/utils.js
+++ b/tests/wpt/web-platform-tests/webnn/resources/utils.js
@@ -268,6 +268,7 @@ const PrecisionMetrics = {
   sin: {ATOL: {float32: 1/1024, float16: 1/512}},
   tan: {ATOL: {float32: 1/1024, float16: 1/512}},
   // End Element-wise unary operations
+  hardSwish: {ULP: {float32: 4, float16: 4}},
   gemm: {ULP: {float32: getGemmPrecisionTolerance, float16: getGemmPrecisionTolerance}},
   leakyRelu: {ULP: {float32: 1, float16: 1}},
   matmul: {ULP: {float32: getMatmulPrecisionTolerance, float16: getMatmulPrecisionTolerance}},
@@ -353,12 +354,17 @@ const assert_array_approx_equals_ulp = (actual, expected, nulp, dataType, descri
               `assert_array_approx_equals_ulp: ${description} lengths differ, expected ${expected.length} but got ${actual.length}`);
   let actualBitwise, expectedBitwise, distance;
   for (let i = 0; i < actual.length; i++) {
-    actualBitwise = getBitwise(actual[i], dataType);
-    expectedBitwise = getBitwise(expected[i], dataType);
-    distance = actualBitwise - expectedBitwise;
-    distance = distance >= 0 ? distance : -distance;
-    assert_true(distance <= nulp,
-                `assert_array_approx_equals_ulp: ${description} actual ${actual[i]} should be close enough to expected ${expected[i]} by the acceptable ${nulp} ULP distance, but they have ${distance} ULP distance`);
+    if (actual[i] === expected[i]) {
+      continue;
+    } else {
+      // measure the ULP distance
+      actualBitwise = getBitwise(actual[i], dataType);
+      expectedBitwise = getBitwise(expected[i], dataType);
+      distance = actualBitwise - expectedBitwise;
+      distance = distance >= 0 ? distance : -distance;
+      assert_true(distance <= nulp,
+                  `assert_array_approx_equals_ulp: ${description} actual ${actual[i]} should be close enough to expected ${expected[i]} by the acceptable ${nulp} ULP distance, but they have ${distance} ULP distance`);
+    }
   }
 };