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Remove special layout code for customizable select #56988

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Merged
chromium-wpt-export-bot merged 1 commit into from
Jan 5, 2026

Remove special layout code for customizable select

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Merged

Remove special layout code for customizable select #56988

Remove special layout code for customizable select
d5ce97a
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Community-TC Integration / wpt-firefox-nightly-stability succeeded Jan 5, 2026 in 4m 27s

Community-TC (pull_request)

Verify that all tests affected by a pull request are stable when executed in firefox.

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2026-01-05T16:55:28.664Z
Resolved: 2026-01-05T16:58:46.701Z
Task Execution Time: 3 minutes, 18 seconds, 37 milliseconds
Task Status: completed
Reason Resolved: completed
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md

WPT Command: python3 ./wpt run --channel=nightly --verify --verify-no-chaos-mode --verify-repeat-loop=0 --verify-repeat-restart=10 --github-checks-text-file=/home/test/artifacts/checkrun.md --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --binary=/home/test/build/firefox/firefox firefox

[taskcluster 2026-01-05 16:55:28.767Z] Task ID: Q1H6ffZ9QSWsbXb5wtR5Sw
[taskcluster 2026-01-05 16:55:28.767Z] Worker ID: 5058995264685495592
[taskcluster 2026-01-05 16:55:28.767Z] Worker Group: us-central1-b
[taskcluster 2026-01-05 16:55:28.767Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-01-05 16:55:28.767Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-01-05 16:55:28.767Z] Worker Version: 46.1.0
[taskcluster 2026-01-05 16:55:28.767Z] Public IP: 34.136.41.58
[taskcluster 2026-01-05 16:55:28.767Z] Hostname: proj-wpt-ci-yuvimy9lqfoj7v6n2us06q

[taskcluster 2026-01-05 16:55:29.738Z] === Task Starting ===
+ '[' '' ']'
+ '[' -d /etc/profile.d ']'
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/01-locale-fix.sh ']'
+ . /etc/profile.d/01-locale-fix.sh
+++ /usr/bin/locale-check C.UTF-8
++ eval
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/apps-bin-path.sh ']'
+ . /etc/profile.d/apps-bin-path.sh

...(1547 lines hidden)...

 1:58.95 INFO Setting up ssl
 1:58.97 certutil b''
 1:58.99 certutil b''
 1:59.00 certutil b'\nCertificate Nickname                                         Trust Attributes\n                                                             SSL,S/MIME,JAR/XPI\n\nweb-platform-tests                                           CT,, \n'
 1:59.00 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmpr6dm82q1
 1:59.01 INFO Starting runner
 1:59.01 pid:10936 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:10936 [10936] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 1:59.59 pid:10936 1767632313107	Marionette	INFO	Marionette enabled
 1:59.71 pid:10936 1767632313231	Marionette	INFO	Listening on port 48055
 1:59.72 pid:10936 [Parent 10936, Main Thread] WARNING: Failed to create DBus proxy for org.a11y.Bus: Could not connect: Connection refused
 1:59.72 pid:10936 : 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201
 1:59.72 pid:10936 ** (firefox-nightly:10936): WARNING **: 16:58:33.238: Failed to create DBus proxy for org.a11y.Bus: Could not connect: Connection refused
 2:00.77 pid:10936 console.error: services.settings:
 2:00.77 pid:10936   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
 2:00.77 pid:10936   Stack:
 2:00.77 pid:10936     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
 2:00.77 pid:10936 list@resource://services-settings/Database.sys.mjs:96:13
 2:00.92 pid:10936 console.warn: BackupService: "There was an error while trying to get the Document's directory" [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIProperties.get]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: resource:///modules/backup/BackupService.sys.mjs :: get docsDirFolderPath :: line 1245"  data: no]
 2:00.99 TEST_START: /html/semantics/forms/the-select-element/customizable-select/select-appearance-sizing-in-flex.html
 2:01.02 pid:10936 1767632314545	Marionette	INFO	Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-appearance-sizing-in-flex.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-appearance-sizing-in-flex-ref.html
 2:01.34 pid:10936 1767632314861	Marionette	INFO	No differences allowed
 2:01.34 TEST_END: PASS
 2:01.34 INFO Restarting browser for new test environment
 2:01.37 pid:10936 1767632314888	Marionette	INFO	Stopped listening on port 48055
 2:02.01 INFO Browser exited with return code -15
 2:01.88 INFO Closing logging queue
 2:01.88 INFO queue closed
 2:02.02 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmp70uuauhn
 2:02.03 INFO Starting runner
 2:02.03 pid:11296 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:11296 [11296] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 2:02.58 pid:11296 1767632316102	Marionette	INFO	Marionette enabled
 2:02.70 pid:11296 1767632316223	Marionette	INFO	Listening on port 57011
 2:03.74 pid:11296 console.error: services.settings:
 2:03.74 pid:11296   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
 2:03.74 pid:11296   Stack:
 2:03.74 pid:11296     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
 2:03.74 pid:11296 list@resource://services-settings/Database.sys.mjs:96:13
 2:03.90 pid:11296 console.warn: BackupService: "There was an error while trying to get the Document's directory" [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIProperties.get]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: resource:///modules/backup/BackupService.sys.mjs :: get docsDirFolderPath :: line 1245"  data: no]
 2:03.96 TEST_START: /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html
 2:04.75 WARNING Unexpected viewport size for /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html, (798, 598), expected (800, 600)
 2:04.85 WARNING Unexpected viewport size for /html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html, (798, 598), expected (800, 600)
 2:04.85 INFO Image hashes didn't match on page 1, checking pixel differences
 2:04.90 INFO Found 2507 pixels different, maximum difference per channel 255 on page 1
 2:04.90 INFO Allowed 0-1 pixels different, maximum difference per channel 0-3
 2:04.91 TEST_END: FAIL, expected PASS
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
 2:04.91 INFO Restarting browser for new test environment
 2:04.92 pid:11296 1767632318441	Marionette	INFO	Stopped listening on port 57011
 2:05.63 INFO Browser exited with return code -15
 2:05.49 INFO Closing logging queue
 2:05.49 INFO queue closed
 2:05.64 INFO Application command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmp54rxp6pv
 2:05.65 INFO Starting runner
 2:05.65 pid:11658 Full command: /home/test/build/firefox/firefox --marionette --remote-allow-system-access about:blank
pid:11658 [11658] Sandbox: CanCreateUserNamespace() clone() failure: EPERM
 2:06.22 pid:11658 1767632319736	Marionette	INFO	Marionette enabled
 2:06.33 pid:11658 1767632319854	Marionette	INFO	Listening on port 48051
 2:06.34 pid:11658 [Parent 11658, Main Thread] WARNING: Failed to create DBus proxy for org.a11y.Bus: Could not connect: Connection refused
 2:06.34 pid:11658 : 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201
 2:06.34 pid:11658 ** (firefox-nightly:11658): WARNING **: 16:58:39.860: Failed to create DBus proxy for org.a11y.Bus: Could not connect: Connection refused
 2:07.37 pid:11658 console.error: services.settings:
 2:07.37 pid:11658   Message: EmptyDatabaseError: "main/nimbus-desktop-experiments" has not been synced yet
 2:07.37 pid:11658   Stack:
 2:07.37 pid:11658     EmptyDatabaseError@resource://services-settings/Database.sys.mjs:19:5
 2:07.37 pid:11658 list@resource://services-settings/Database.sys.mjs:96:13
 2:07.51 pid:11658 console.warn: BackupService: "There was an error while trying to get the Document's directory" [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIProperties.get]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: resource:///modules/backup/BackupService.sys.mjs :: get docsDirFolderPath :: line 1245"  data: no]
 2:07.57 TEST_START: /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html
 2:07.63 pid:11658 1767632321154	Marionette	INFO	Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
 2:07.96 pid:11658 1767632321480	Marionette	INFO	No differences allowed
 2:07.98 TEST_END: FAIL, expected PASS
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255

 2:07.98 INFO No more tests
 2:08.01 pid:11658 1767632321528	Marionette	INFO	Stopped listening on port 48051
 2:08.63 INFO Browser exited with return code -15
 2:08.49 INFO Closing logging queue
 2:08.49 INFO queue closed
 2:08.64 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 30 checks (30 tests)
Expected results: 10
Unexpected results: 20
  test: 20 (20 fail)

Unexpected Results
------------------
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html - /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ['99f3019528712539e5d6d482a77942b61d9bd4c4']
/html/semantics/forms/the-select-element/customizable-select/select-display-block-ref.html ['3375452bd45f5721849a886a2371dc0a15a817cd']
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
FAIL /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html - Testing http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html == http://web-platform.test:8000/html/semantics/forms/the-select-element/customizable-select/select-grid-before-after-ref.html
Found 4335 pixels different, maximum difference per channel 255
 2:08.64 INFO Got 20 unexpected results, with 0 unexpected passes
 2:08.64 wptserve INFO Stopped http server on 127.0.0.1:8000
 2:08.64 wptserve INFO Stopped http server on 127.0.0.1:8001
 2:08.64 wptserve INFO Stopped http server on 127.0.0.1:8002
 2:08.65 wptserve INFO Stopped http server on 127.0.0.1:8003
 2:08.66 wptserve INFO Stopped http server on 127.0.0.1:8443
 2:08.66 wptserve INFO Stopped http server on 127.0.0.1:8445
 2:08.66 wptserve INFO Stopped http server on 127.0.0.1:8446
 2:08.66 wptserve INFO Stopped http server on 127.0.0.1:9000
 2:08.66 wptserve INFO Stopped http server on 127.0.0.1:8444
 2:08.67 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 2:09.04 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 2:09.04 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 2:09.09 INFO Removed font: Ahem.ttf
 2:09.11 INFO Closing logging queue
 2:09.11 INFO queue closed
 2:09.13 INFO ::: Ran 10 of expected 10 iterations.
 2:09.13 INFO ## All results ##

 2:09.13 INFO ### /html/semantics/forms/the-select-element/customizable-select/select-appearance-sizing-in-flex.html ###
 2:09.13 INFO | Subtest | Results | Messages |
 2:09.13 INFO |---------|---------|----------|
 2:09.13 INFO |         | PASS    |          |
 2:09.13 INFO 
 2:09.13 INFO ### /html/semantics/forms/the-select-element/customizable-select/select-display-block.tentative.html ###
 2:09.13 INFO | Subtest | Results | Messages |
 2:09.13 INFO |---------|---------|----------|
 2:09.13 INFO |         | FAIL    |          |
 2:09.13 INFO 
 2:09.13 INFO ### /html/semantics/forms/the-select-element/customizable-select/select-grid-before-after.html ###
 2:09.13 INFO | Subtest | Results | Messages |
 2:09.13 INFO |---------|---------|----------|
 2:09.13 INFO |         | FAIL    |          |
 2:09.13 INFO 
 2:09.13 INFO ::: Running tests in a loop with restarts 10 times : PASS
 2:09.13 INFO :::
 2:09.13 INFO ::: Test verification PASS
 2:09.13 INFO :::
[taskcluster 2026-01-05 16:58:44.594Z] === Task Finished ===
[taskcluster 2026-01-05 16:58:45.007Z] Successful task run with exit code: 0 completed in 196.24 seconds
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