WPT import https://crrev.com/c/1283150 introduced new failures in external/wpt/css/css-text:

List of new failures:
external/wpt/css/css-text/text-transform/text-transform-full-size-kana-001.html [ Failure ]

This import contains upstream changes from c6f9238024b1a1f320132cd61e79e7e8dbce3510 to c66102aa297d196c8c24079b6f91b67fd9aa9e90:
Add web-platform-test for Signed Exchange: https://github.com/web-platform-tests/wpt/commit/c66102aa297d196c8c24079b6f91b67fd9aa9e90
Revert "[css-layout-api] Add LayoutEdges.": https://github.com/web-platform-tests/wpt/commit/fc4164d333f6104fdd6a7c8933c9857414a84a64 [affecting this directory]
Fix broken web platform test that was trying to connect on a non-existent port.: https://github.com/web-platform-tests/wpt/commit/99e577f57cbd9014f7576846bc6ad0c39db2ca15
Test that MediaStream is the primary interface of a getUserMedia-stream.: https://github.com/web-platform-tests/wpt/commit/a69bb418fb7901a8a575b3edc73b24504147ec1f
Remove LocalMediaStream.: https://github.com/web-platform-tests/wpt/commit/de8fa4cc6110aca70d649b4c1b2eeb3e6e76ceec
Add URL parsing test for "ssh://example.com/foo/bar.git" (#13516): https://github.com/web-platform-tests/wpt/commit/4ba3cd24c69a859d8c7864d15958d2656ef16173
Don't try to normalise the channel if we don't have data for a product (#12877): https://github.com/web-platform-tests/wpt/commit/2ad1215fe18f7941f26bf0911b7a310bc9c0c8af
Fix untittest for about:blank as a ref (#13490): https://github.com/web-platform-tests/wpt/commit/f3007783d98d65576e413e7709c3bb34090e45e3
Don't switch back to the harness window during testharness tests. (#13419): https://github.com/web-platform-tests/wpt/commit/31664a8d285f2df3c86f7051c8e2a45a75bbd339
Fixed the inserAdjacentHTML tests (#13525): https://github.com/web-platform-tests/wpt/commit/d9b6e84708d8ca0870b65656e30cf595969db524
[css-layout-api] Add LayoutEdges.: https://github.com/web-platform-tests/wpt/commit/8c024e160ccff17edde16ed3989689d36e6ca085 [affecting this directory]
Fix processing of double Content-DPR values and add Content-DPR WPT tests: https://github.com/web-platform-tests/wpt/commit/700ace6f18231a30b9794d69645d3b1e0a6611a3
have OPTIONS preflights inherit the original request's referrer and referrer policy: https://github.com/web-platform-tests/wpt/commit/37d83def16bacfa66abac065f8f5adc8f7e7a4fc
Apply bz's comments to FeaturePolicy: https://github.com/web-platform-tests/wpt/commit/c0d5ad7913ec5fdb040488f872cad99f490a2b61
Fix lint.: https://github.com/web-platform-tests/wpt/commit/617f510a05620b785bf6d6e178ff41b0dfb8960e
Check for allowed patterns deeper in LSAN stack.: https://github.com/web-platform-tests/wpt/commit/02e9e6a6ecb6693f6eea79ec21f66a577d0a6e12
Reject calls to update() while service worker in 'installing' state: https://github.com/web-platform-tests/wpt/commit/780c03bd757ee85581fece3e5e2f4434de7a1014
webdriver: use mozilla poll utility: https://github.com/web-platform-tests/wpt/commit/a611aa4e6762a94bc63d047405580806de867de3
webdriver: rename support.wait to sync: https://github.com/web-platform-tests/wpt/commit/8df2d9a78a16eafdabab6fa704b30a99ea0a8952
Use tbpl formatter for logging stability checks. (#13520): https://github.com/web-platform-tests/wpt/commit/486e94e16f05cf435781ab8f55ad4347ce57dba1
 Remove Tip note in text-transform/ tests (#13509): https://github.com/web-platform-tests/wpt/commit/71d0ec4edbf7e2688ec09a990fbc2d6a8952ce0a [affecting this directory]
XHR: test unusual header name syntax: https://github.com/web-platform-tests/wpt/commit/b3e1de8dc92db9c4f400e622c9ff1582566d61fa
Implement text-transform: full-size-kana.: https://github.com/web-platform-tests/wpt/commit/937ed3c7b19bc4822a4909b2a8429a34c24a293a [affecting this directory]
Fix wpt runner's browser stop implementation: request stop before waiting: https://github.com/web-platform-tests/wpt/commit/74d709131e3c91d09f1708378648a01957c47b38
Always compute angle values to degrees.: https://github.com/web-platform-tests/wpt/commit/fab44549c16720cc7712e5c2b900756cd0876fae
Merge pull request #13492 from servo-wpt-sync/servo_export_21931: https://github.com/web-platform-tests/wpt/commit/c1dd54d48c23a6cd99ccb9b475487c9efc23997d
part 2 - Center the <legend> border-box (not its margin-box) within the <fieldset> border area. (tests): https://github.com/web-platform-tests/wpt/commit/ff458cc1cc8b7363fa544f849df1aa8a8e1c15a1
Make layout use available image data before querying the image cache.: https://github.com/web-platform-tests/wpt/commit/77f7b019a69ae75d0e0b6bb1d8f56e8486f6ffd5
Enable the pref for wpt https test for setSinkId and update it to expect NotAllowedError.: https://github.com/web-platform-tests/wpt/commit/93e5a5e5e7ee66f731ae1694a7f6bbe51619d673
Web platform http test for setSinkId.: https://github.com/web-platform-tests/wpt/commit/60bec45a1396a7fd9b67dcac51334d7061116586
Stop creating a style attribute for invalid property values.: https://github.com/web-platform-tests/wpt/commit/61720a8cda9b338f29afe0866428bb62196427b4 [affecting this directory]
[mojo JS bindings] Emit MIN_VALUE and MAX_VALUE for enums: https://github.com/web-platform-tests/wpt/commit/cbf5657b36d1acb5a5d32674a3b052cf24368c4b
Merge pull request #13480 from web-platform-tests/gecko/1484849: https://github.com/web-platform-tests/wpt/commit/db8a4cb78d134afe8b4b77106413b8242ae003dd
Fix handling of about:blank in lint. (#13489): https://github.com/web-platform-tests/wpt/commit/6279ae5cc55eb91bb086ab1d0f1969c180cbedc2
[Picture-in-Picture] Bail early for feature policy tests: https://github.com/web-platform-tests/wpt/commit/433fc8986e3dbad91f7d3e3fe0271488ba146504
history.go(0) should reload the current page and not involve the entire session history: https://github.com/web-platform-tests/wpt/commit/ac5288390b03fe99ba37a3c60e18a0451df7ba54