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Merged
chromium-wpt-export-bot merged 1 commit into from
May 12, 2026

[CSS Modules] Update fetching strategy

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Merged

[CSS Modules] Update fetching strategy #59805

[CSS Modules] Update fetching strategy
3e764c4
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Community-TC Integration / wpt-firefox-nightly-stability succeeded May 12, 2026 in 17m 32s

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: 2026-05-12T04:15:09.367Z
Resolved: 2026-05-12T04:18:07.411Z
Task Execution Time: 2 minutes, 58 seconds, 44 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: ScE46FgERFGp307lHLUjnQ
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 2026-05-12 04:15:09.430Z] Task ID: ScE46FgERFGp307lHLUjnQ
[taskcluster 2026-05-12 04:15:09.430Z] Worker ID: 3842117676896821355
[taskcluster 2026-05-12 04:15:09.430Z] Worker Group: us-central1-f
[taskcluster 2026-05-12 04:15:09.430Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-05-12 04:15:09.430Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-05-12 04:15:09.430Z] Worker Version: 46.1.0
[taskcluster 2026-05-12 04:15:09.430Z] Public IP: 34.132.138.172
[taskcluster 2026-05-12 04:15:09.430Z] Hostname: proj-wpt-ci-m-a7pmy5r3gygvofpj7qja

[taskcluster 2026-05-12 04:15:10.325Z] === 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

...(4927 lines hidden)...

/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Removed original_sheet is still updated by fetch and applies styles when re-adopted. - assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html:23:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
  FAIL Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work. - assert_equals: Good URL should fire load. expected "load" but got "error"
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html:48:18
/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
  FAIL Sheet identity does not change after fetch completes. - assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0
@http://web-platform.test:8000/shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html:16:18
Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2869:25
promise_test/tests.promise_tests</<@http://web-platform.test:8000/resources/testharness.js:738:36
promise_test/tests.promise_tests<@http://web-platform.test:8000/resources/testharness.js:737:20
 1:46.78 INFO Got 60 unexpected results, with 0 unexpected passes
 1:46.78 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:46.79 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:46.79 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:46.80 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:46.80 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:46.80 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:46.80 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:46.80 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:46.81 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:46.81 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:47.15 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:47.15 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:47.19 INFO Removed font: Ahem.ttf
 1:47.22 INFO Closing logging queue
 1:47.22 INFO queue closed
 1:47.23 INFO ::: Ran 10 of expected 10 iterations.
 1:47.23 INFO ## All results ##

 1:47.23 INFO ### /html/semantics/scripting-1/the-script-element/css-module/css-module-parse-error.html ###
 1:47.23 INFO |                                Subtest                                | Results | Messages |
 1:47.23 INFO |-----------------------------------------------------------------------|---------|----------|
 1:47.23 INFO |                                                                       | OK      |          |
 1:47.23 INFO | `CSS module with parse errors imports successfully with empty rules.` | PASS    |          |
 1:47.23 INFO | `Repeated import of parse-error CSS module returns same sheet.`       | PASS    |          |
 1:47.23 INFO | `CSS module with partially malformed CSS imports with valid rules.`   | PASS    |          |
 1:47.23 INFO 
 1:47.23 INFO ### /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-disconnect-iframe.html ###
 1:47.23 INFO |                                  Subtest                                  | Results |                                             Messages                                             |
 1:47.23 INFO |---------------------------------------------------------------------------|---------|--------------------------------------------------------------------------------------------------|
 1:47.23 INFO |                                                                           | OK      |                                                                                                  |
 1:47.23 INFO | `Destroying iframe during async adoptedStyleSheets fetch does not crash.` | FAIL    | `assert_equals: Before iframe destruction: one entry exists synchronously. expected 1 but got 0` |
 1:47.23 INFO 
 1:47.23 INFO ### /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure-shared.html ###
 1:47.23 INFO |                                                    Subtest                                                     | Results |                                               Messages                                              |
 1:47.23 INFO |----------------------------------------------------------------------------------------------------------------|---------|-----------------------------------------------------------------------------------------------------|
 1:47.23 INFO |                                                                                                                | OK      |                                                                                                     |
 1:47.23 INFO | `Failed fetch initiated by shadowrootadoptedstylesheets stays failed for later declarative consumers.`         | FAIL    | `assert_equals: First consumer: empty sheet present synchronously. expected 1 but got 0`            |
 1:47.23 INFO | `Declarative failure: subsequent import() of the same URL rejects (consistent with imperative-first failure).` | FAIL    | `assert_equals: Declarative consumer: empty sheet remains after failed fetch. expected 1 but got 0` |
 1:47.23 INFO | `Failed import() is observed by subsequent shadowrootadoptedstylesheets.`                                      | PASS    |                                                                                                     |
 1:47.23 INFO 
 1:47.23 INFO ### /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-failure.html ###
 1:47.23 INFO |                                      Subtest                                      | Results |                                                  Messages                                                 |
 1:47.23 INFO |-----------------------------------------------------------------------------------|---------|-----------------------------------------------------------------------------------------------------------|
 1:47.23 INFO |                                                                                   | OK      |                                                                                                           |
 1:47.23 INFO | `Async fetch failure: empty placeholder sheet remains in adoptedStyleSheets.`     | FAIL    | `assert_equals: Before fetch settles: expected 1 (empty) sheet. expected 1 but got 0`                     |
 1:47.23 INFO | `Async fetch failure: failed sheet remains empty; valid specifier still works.`   | FAIL    | `assert_equals: Two entries should be present synchronously (both empty pre-fetch). expected 2 but got 0` |
 1:47.23 INFO | `Async fetch failure: JS-duplicated references all remain after failure.`         | FAIL    | `assert_equals: Sanity: declarative path produced one (empty) sheet synchronously. expected 1 but got 0`  |
 1:47.23 INFO | `Async fetch failure: bare module specifier contributes no sheet.`                | PASS    |                                                                                                           |
 1:47.23 INFO | `Async fetch failure: invalid URL (lone surrogate) contributes no sheet.`         | PASS    |                                                                                                           |
 1:47.23 INFO | `Async fetch failure: import map mapping specifier to null contributes no sheet.` | PASS    |                                                                                                           |
 1:47.23 INFO 
 1:47.23 INFO ### /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-async-fetch-mutation-removed-still-updates.html ###
 1:47.23 INFO |                                        Subtest                                         | Results |                                     Messages                                     |
 1:47.23 INFO |----------------------------------------------------------------------------------------|---------|----------------------------------------------------------------------------------|
 1:47.23 INFO |                                                                                        | OK      |                                                                                  |
 1:47.23 INFO | `Removed original_sheet is still updated by fetch and applies styles when re-adopted.` | FAIL    | `assert_equals: Before removal: expected 1 original_sheet. expected 1 but got 0` |
 1:47.23 INFO 
 1:47.23 INFO ### /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-modulepreload-failure.html ###
 1:47.23 INFO |                                      Subtest                                       | Results |                                   Messages                                  |
 1:47.23 INFO |------------------------------------------------------------------------------------|---------|-----------------------------------------------------------------------------|
 1:47.23 INFO |                                                                                    | OK      |                                                                             |
 1:47.23 INFO | `Failed modulepreload (404) is skipped by shadowrootadoptedstylesheets.`           | PASS    |                                                                             |
 1:47.23 INFO | `Mixed valid/invalid modulepreloads: failed ones are skipped and valid ones work.` | FAIL    | `assert_equals: Good URL should fire load. expected "load" but got "error"` |
 1:47.23 INFO 
 1:47.23 INFO ### /shadow-dom/declarative/tentative/shadowrootadoptedstylesheets/shadowrootadoptedstylesheets-placeholder-identity.html ###
 1:47.23 INFO |                         Subtest                         | Results |                                    Messages                                   |
 1:47.23 INFO |---------------------------------------------------------|---------|-------------------------------------------------------------------------------|
 1:47.23 INFO |                                                         | OK      |                                                                               |
 1:47.23 INFO | `Sheet identity does not change after fetch completes.` | FAIL    | `assert_equals: Before fetch: expected 1 stylesheet(s). expected 1 but got 0` |
 1:47.23 INFO 
 1:47.23 INFO ::: Running tests in a loop with restarts 10 times : PASS
 1:47.23 INFO :::
 1:47.23 INFO ::: Test verification PASS
 1:47.23 INFO :::
[taskcluster 2026-05-12 04:18:06.281Z] === Task Finished ===
[taskcluster 2026-05-12 04:18:06.645Z] Successful task run with exit code: 0 completed in 177.216 seconds
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