WPT import https://crrev.com/c/1426921 introduced new failures in external/wpt/css:

List of new failures:
external/wpt/css/css-pseudo/idlharness.html new failing tests: https://crrev.com/c/1426921/4/third_party/blink/web_tests/external/wpt/css/css-pseudo/idlharness-expected.txt
external/wpt/css/css-overflow/parsing/overflow-computed.html new failing tests: https://crrev.com/c/1426921/4/third_party/blink/web_tests/external/wpt/css/css-overflow/parsing/overflow-computed-expected.txt

This import contains upstream changes from cd94eba6eca288f9d8862ef822c5f9957c8de343 to e4e6eeef32574aa928c8100a3c0d78b9129f5e86:
python3 de-linting (#14973): https://github.com/web-platform-tests/wpt/commit/e4e6eeef32574aa928c8100a3c0d78b9129f5e86
Update interfaces/css-pseudo.idl (#14989): https://github.com/web-platform-tests/wpt/commit/8564ea0c38b17a02f7b433933291202140fb76ab
Update interfaces/pointerlock.idl (#14991): https://github.com/web-platform-tests/wpt/commit/7aa7cc0d818afb22f338bf7db355a563d85c1c30
Update interfaces/picture-in-picture.idl (#14990): https://github.com/web-platform-tests/wpt/commit/3ed3e070163bd165132913887da804d87da159c2
SignedExchange: Reject uncached-headers: https://github.com/web-platform-tests/wpt/commit/6f7e91a17cdd2f01105ccff43fc45a9db98507f3
Update interfaces/web-bluetooth.idl (#14143): https://github.com/web-platform-tests/wpt/commit/df29f0e734ac60913d9f52d23097e188b7a651da
SVG Interactivity: onwheel attribute (#14876): https://github.com/web-platform-tests/wpt/commit/bdac00f5b982f0fa19d2c1cd91b373d83addde4e
WebShare: canShare() method in Level 2: https://github.com/web-platform-tests/wpt/commit/f5df77f83ba77088d354838b377eef5e3f770e36
[ FeaturePolicy ] - Report for "legacy-image-formats": https://github.com/web-platform-tests/wpt/commit/0a63acfc690e69d0a4121469910a1ddfd05ce30f
[Reland] Synthetic gestures wait on renderer ACK.: https://github.com/web-platform-tests/wpt/commit/7703c45b553cfaca6e1b7b20981d13d06b7d43e9
SignedExchange: Migrate test cases to 1b3: https://github.com/web-platform-tests/wpt/commit/b604d66fb763cc20ce58848c6876a324a1498254
Change web platform test with mouse inputs under "pinterevents/": https://github.com/web-platform-tests/wpt/commit/f4c7d842e879b63c1f6d40726e49cb178404f34b
Fix RTCRtpReceiver-getContributingSources.https.html flake.: https://github.com/web-platform-tests/wpt/commit/b69756a11fc522b8cf03858f14d4c0acdf98cd1e
Add a policy control feature to restrict the font-display: https://github.com/web-platform-tests/wpt/commit/821b438560d5046742ae653c9eb537d9ce9a83af [affecting this directory]
Verify getContributingSources() does not return any CSRCs.: https://github.com/web-platform-tests/wpt/commit/0b6eed5addbb4e6baca789b2cf4de3a0ec3ae910
correct calc-unit-analysis test (#14966): https://github.com/web-platform-tests/wpt/commit/e810232b1734087df87b9e71e4d69be14ac7d440 [affecting this directory]
Add another test with a HTMLCollection on the prototype chain.: https://github.com/web-platform-tests/wpt/commit/c06a23efd773d48ca3b68a9604ca90f1e6bbab42
[css-grid] Properly handle static positions of abspos inside grid items: https://github.com/web-platform-tests/wpt/commit/ea0c970f5a5f9895f22f30a82c3d7bd626e26fcf [affecting this directory]
Update mozinstall from 1.16.0 to 2.0.0 (#14941): https://github.com/web-platform-tests/wpt/commit/db3ef405f8139b0c63b25f97a443e67f070949db
CSS: WPT for style update on sibling insertion: https://github.com/web-platform-tests/wpt/commit/63295f9e7e8d11e5db0426df6a028d416c509058 [affecting this directory]
Fix border-style conflict resolution in border-collapsed tables.: https://github.com/web-platform-tests/wpt/commit/60ad712df2130b21908c4a055abf241d68ba9647 [affecting this directory]
Add test for negative scrollable overflow rect clamping.: https://github.com/web-platform-tests/wpt/commit/57565a163510898ace1739e67bd8f3e838eeb652 [affecting this directory]
Add scroll-anchoring test for anchor in fragmented <div>.: https://github.com/web-platform-tests/wpt/commit/8c70e3ec41e0af765c65f5ee5179c6908c53c7d7 [affecting this directory]
Add scroll-anchoring tests for excluding certain elements from anchor selection.: https://github.com/web-platform-tests/wpt/commit/34c51de4b4fb2a8b65c3e2c658492d3f9025337d [affecting this directory]
Sync Mozilla CSS tests as of https://hg.mozilla.org/mozilla-central/rev/219bc50b5cd5ac8b374cac6531ece44dddf4bfff . (#14965): https://github.com/web-platform-tests/wpt/commit/f5440fe8b9cb4b88106dab42d51c758b40d3e06c [affecting this directory]
[css-tables] Computed values of table properties: https://github.com/web-platform-tests/wpt/commit/15a2fe67b073b777d58d2002671bf39848215d94 [affecting this directory]
[css-tables] Parsing of CSS Table properties: https://github.com/web-platform-tests/wpt/commit/694ccf5329645c1a01a9f4b22dc19e26951de303 [affecting this directory]
Fix double border rendering of border-collapsed tables.: https://github.com/web-platform-tests/wpt/commit/ac3df67582ebf1dff7352ffae8b6263556113d4f [affecting this directory]
[wdspec] Add tests for "New Window" command.: https://github.com/web-platform-tests/wpt/commit/ce927c0f3cd31656d1b82327082aa30da597554b
Fix MediaStream-default-feature-policy.https.html to respect getUserMedia result guarantees.: https://github.com/web-platform-tests/wpt/commit/bf71b1f245ce34e447b7bde8ed46694574a63da7
part 2 - [css-logical] Implement the flow-relative border-radius properties.: https://github.com/web-platform-tests/wpt/commit/2b6a03a649dd599bb24384655d5c2b0e551c36b9 [affecting this directory]
Coalesce all scroll anchor adjustments to be performed after layout when flushing notifcations.: https://github.com/web-platform-tests/wpt/commit/a46f41ecd39249d899b03f7d72e00dad12f65247 [affecting this directory]
Adds pre shared key support to RTCQuicTransport.: https://github.com/web-platform-tests/wpt/commit/b759655abcdddff933d46d6e98f0eac0fc31bd41
[WPT] Unify mixed-content and referrer-policy generator scripts: https://github.com/web-platform-tests/wpt/commit/4a04c1db0af5a7da2adff645671888562fd9c066
Revert "Portals: Expose portalHost to portal's browsing context": https://github.com/web-platform-tests/wpt/commit/1fc2d6a452e7a59abc257cb111bcad75df4b9995
Async Clipboard: Automate writeImage/readImage test: https://github.com/web-platform-tests/wpt/commit/88412097445452bd0ea3e08762f21cd67990c4dd
KV Storage: make keys()/values()/entries() async iterators: https://github.com/web-platform-tests/wpt/commit/3444de2f620812d2fb6f83359eca5b5fb96e0a75
[css-tables] Inheritance and initial value tests (#14949): https://github.com/web-platform-tests/wpt/commit/a589fd30bc64bb4d40e1d6854e07accca69b8472 [affecting this directory]
Manually remove Example interface: https://github.com/web-platform-tests/wpt/commit/394111a44d8f9deccd71cf06d1e9fc71ba32df40
Update interfaces/html.idl: https://github.com/web-platform-tests/wpt/commit/d02e71036575a13526f2df3a015f15ee514afea9
Portals: Expose portalHost to portal's browsing context: https://github.com/web-platform-tests/wpt/commit/fe6e5e271dbb9feaf2f5c09fe3a105039905f9c7
[PE] Fix layer under-invalidation when visiblity status changes: https://github.com/web-platform-tests/wpt/commit/0d7a7e23965ff8c14669800d6e3d1dc86eb8c2f3 [affecting this directory]
Idle Detection API: Prototype: https://github.com/web-platform-tests/wpt/commit/f5239a2af2acb0c367064aef99f3f04157f2668e
Consider capture target when sending click events: https://github.com/web-platform-tests/wpt/commit/97f725c1987fed1d33eaa37d199c0d68cdeaa445
Clarify RTCTrackEvent-constructor.html failure reason.: https://github.com/web-platform-tests/wpt/commit/a95521f904bdf67fbda96a667aa2360b0259b4d4
WebKit export of https://bugs.webkit.org/show_bug.cgi?id=193553 (#14940): https://github.com/web-platform-tests/wpt/commit/d3a7b003821596386fb708fe18decf696c563277
Merge pull request #14867 from cvazac/cvazac/supportedEntryTypes: https://github.com/web-platform-tests/wpt/commit/8bcd5014970d502acab110861f516f66182fc596
Store TrustedURL and TrustedScriptURL contents as string, take 2: https://github.com/web-platform-tests/wpt/commit/a1b8381ed5763dce7a074fc7b843813d091eb6ce
Update interfaces/webrtc.idl (#14935): https://github.com/web-platform-tests/wpt/commit/fb6e36392dee006308dde8c82d39b1bb5cf32c8e
Split fetch CORP tests as HTTP and HTTPS. (#14907): https://github.com/web-platform-tests/wpt/commit/f15f912b29d110e0e7bd9d7fc44c5f4da47e6732
[ServiceWorker] Revise wpt worker-interception.https.html: https://github.com/web-platform-tests/wpt/commit/c532ac87c5c34a835cb49b1c07f84ceec3df839d
Add worker WPT test writing guide and examples: https://github.com/web-platform-tests/wpt/commit/4fb2d9c4d14af3edc62f6c6157c9152d07306da0
Test payment request is showing boolean (#14297): https://github.com/web-platform-tests/wpt/commit/c2eb40e600f98bed85a971b1395d839bc53b19d0
WebBluetooth - clang-format wpt: https://github.com/web-platform-tests/wpt/commit/74bae78af4b95a2f0ca3a81df9c7fe3143f24bbc
[css-overflow] overflow computed value (#14923): https://github.com/web-platform-tests/wpt/commit/e11b6a466904e9a308d0ba0b96d7a6bd012b5d77 [affecting this directory]
[animation-worklet] clean up wpt tests: https://github.com/web-platform-tests/wpt/commit/10e848f92af92631533edad9d3931924722c9e78
[CSS] Make ::part(foo)::placeholder work.: https://github.com/web-platform-tests/wpt/commit/e12d7a73369ad5e53bea0e7a9e29f9f90d15e88d [affecting this directory]
fix: buggy test and description (#14918): https://github.com/web-platform-tests/wpt/commit/0ac8c4f740e9c37713f16fca1ce6cb0f3c5bc44c
Update interfaces/SVG.idl (#14746): https://github.com/web-platform-tests/wpt/commit/f9bcc1af38ad9cdc085d38f577026f1a40ea3450
Revert "Switch to new ICE state implementation": https://github.com/web-platform-tests/wpt/commit/56fde7485b5ffa5f8933594ae6e09db7a2edddaf
Clamp out of range calc() values after font-style: oblique calc(...): https://github.com/web-platform-tests/wpt/commit/686f923fd45a6c70fdcaee276b5ffe4d55d8f39c [affecting this directory]
Sync Mozilla CSS tests as of https://hg.mozilla.org/mozilla-central/rev/1bbec154fb73b0fa3756a9ed417815c87fc82b4e . (#14930): https://github.com/web-platform-tests/wpt/commit/194ce86f1577ce201227823016c00581b1cfd65f [affecting this directory]
Add script-blocking style sheet tests: https://github.com/web-platform-tests/wpt/commit/7422dfaafff4727f8c3d132bb9f97ec6e4ad8f7a
Disable the automation extension for Chrome unconditionally: https://github.com/web-platform-tests/wpt/commit/7f72bad3bfb5f1ea5ee765550e1767cf4a63a704
Fix #12578: make {Selenium,WebDriver} use the right size for reftests: https://github.com/web-platform-tests/wpt/commit/cd697ab2768b0953eff0a29d10f4a1a9721ed8e3
Add a infra test for reftest size: https://github.com/web-platform-tests/wpt/commit/8a58198bb9e45c83f51b0e39edf44c796fc126ba
Change all references of reftest size to be 600x600: https://github.com/web-platform-tests/wpt/commit/c5f9c98347a577a328e282e6f64221b4bbd24562
Rely on /infrastructure as integration tests for FF/Ch (#14924): https://github.com/web-platform-tests/wpt/commit/4fe523f4391e1314bb4c695b8ffd52b1f621539b
Merge pull request #13922 from youennf/no-address-member-in-remote-candidate-stats: https://github.com/web-platform-tests/wpt/commit/cba8de7d7ed600943951e16aa757173586a6881c
Add some tests that check SDP after transceiver stop (#14423): https://github.com/web-platform-tests/wpt/commit/adc0811d922c7513a12e2f8f3807f2560633bd2d
Invalidate scroll anchor container on changes to 'overflow-anchor' property and add tests.: https://github.com/web-platform-tests/wpt/commit/d9392342a5cbc83bf311ceda4e152ab2a4a1c829 [affecting this directory]
[css-overflow] Inheritance and initial values (#13109): https://github.com/web-platform-tests/wpt/commit/4552dd0e4af9103278e085596be2765a237070a8 [affecting this directory]
Remove adopted stylesheets when adopting to a different document: https://github.com/web-platform-tests/wpt/commit/52006fa6b573b044a4940dc7725f7151bfd8b1f9 [affecting this directory]
Part 2 - Fix appending a subtree with column-span descendants under the ::moz-column-content.: https://github.com/web-platform-tests/wpt/commit/05281485aac78eb2e2aaa02b8a8e9f5eec05cedb [affecting this directory]
Fix #14894: Disable Python hypothesis deadlines on CI (#14898): https://github.com/web-platform-tests/wpt/commit/537d6a95a92f065d02b2606801c986e6e168f745
address feedback: https://github.com/web-platform-tests/wpt/commit/47abba18888c01102b7db38916e2f1a708cd1f19
Worker aware: https://github.com/web-platform-tests/wpt/commit/e7a521e5e9a9011436e04456c9e94d7433820fb7
Ensure that all supportedEntryTypes are observable: https://github.com/web-platform-tests/wpt/commit/170118fea3b35179c3200cacb2d6d7825ffd8cf2
Merge branch 'master' of github.com:web-platform-tests/wpt: https://github.com/web-platform-tests/wpt/commit/854749b6ee9ddd4c5256b79b1c556ffc9c3da335
Merge branch 'master' of github.com:web-platform-tests/wpt: https://github.com/web-platform-tests/wpt/commit/d233e82b17a4052778e80f971e0db675f74dec51
Updated according comments: https://github.com/web-platform-tests/wpt/commit/e3136b484e2c3f8a4ef4ba49739e8e458d80ef30
Moving from undefined to null: https://github.com/web-platform-tests/wpt/commit/0ec8f2cf94d81c73bc13ded0a57cf12b68633727
Document Safari Experimental Feature switches: https://github.com/web-platform-tests/wpt/commit/e4fe429d2d9d6710f2592cc5ab23998737e2e8b6
Ensure that the 'address' member remains undefined in RTCIceCandidateStats for remote prflx candidates: https://github.com/web-platform-tests/wpt/commit/0580aeec33f1c68636eb84f70b5aae04ec05d3bb