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Relative <base> in about:blank documents (tracking) - #61231

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annevk wants to merge 4 commits into
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clone-base-url-about-blank-relative
Draft

Relative <base> in about:blank documents (tracking)#61231
annevk wants to merge 4 commits into
masterfrom
clone-base-url-about-blank-relative

Flip relative <base> expectations to resolve against the document's o…

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Community-TC Integration / wpt-firefox-nightly-stability succeeded Jul 12, 2026 in 4m 25s

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: 2026-07-12T09:09:48.836Z
Resolved: 2026-07-12T09:14:13.688Z
Task Execution Time: 4 minutes, 24 seconds, 852 milliseconds
Task Status: completed
Reason Resolved: completed
TaskId: b-ZNRUxHT829r5-XoqDYTw
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 2026-07-12 09:09:48.890Z] Task ID: b-ZNRUxHT829r5-XoqDYTw
[taskcluster 2026-07-12 09:09:48.890Z] Worker ID: 2527176322124277300
[taskcluster 2026-07-12 09:09:48.890Z] Worker Group: us-central1-f
[taskcluster 2026-07-12 09:09:48.890Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-07-12 09:09:48.890Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-07-12 09:09:48.890Z] Worker Version: 46.1.0
[taskcluster 2026-07-12 09:09:48.890Z] Public IP: 34.59.164.38
[taskcluster 2026-07-12 09:09:48.890Z] Hostname: proj-wpt-ci-sgltbkdwqkikpzfodbxcta

[taskcluster 2026-07-12 09:09:49.864Z] === 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

...(1615 lines hidden)...

FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18

 1:57.19 TEST_START: /dom/nodes/Document-cloneNode-about-base-url-relative.window.html
 1:57.20 INFO Closing window be5b77a9-7bac-428c-818d-d47b05908371
 1:57.49 TEST_END: Test OK. Subtests passed 2/2. Unexpected 0
 1:57.49 TEST_START: /dom/nodes/Document-cloneNode-srcdoc-base-url.window.html
 1:57.50 INFO Closing window da7f5cb0-98b6-42e8-9e39-248e1c8e77ae
 1:57.78 TEST_END: Test OK. Subtests passed 0/2. Unexpected 2
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16

 1:57.78 INFO No more tests
 1:57.78 pid:6376 1783847648628	Marionette	INFO	Stopped listening on port 52631
 1:58.35 INFO Browser exited with return code 0
 1:58.14 INFO Closing logging queue
 1:58.14 INFO queue closed
 1:58.36 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 90 checks (60 subtests, 30 tests)
Expected results: 50
Unexpected results: 40
  subtest: 40 (40 fail)

Error Summary
-------------
/dom/nodes/Document-base-url-not-live.window.html
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:blank base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
  FAIL about:srcdoc base URL is not live - assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"
notLiveTest/<@http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.js:47:18
/dom/nodes/Document-cloneNode-srcdoc-base-url.window.html
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
  FAIL A relative <base> in an about:srcdoc document resolves against about:srcdoc - assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:24:16
  FAIL Clone of an about:srcdoc document with a relative <base> - assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"
@http://web-platform.test:8000/dom/nodes/Document-cloneNode-srcdoc-base-url.window.js:31:16
 1:58.36 INFO Got 20 unexpected results, with 0 unexpected passes
 1:58.36 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:58.36 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:58.36 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:58.36 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:58.36 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:58.37 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:58.37 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:58.37 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:58.38 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:58.39 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:58.77 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:58.77 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:58.81 INFO Removed font: Ahem.ttf
 1:58.84 INFO Closing logging queue
 1:58.84 INFO queue closed
 1:58.84 INFO ::: Ran 10 of expected 10 iterations.
 1:58.84 INFO ## All results ##

 1:58.84 INFO ### /dom/nodes/Document-base-url-not-live.window.html ###
 1:58.84 INFO |               Subtest               | Results |                                                                                                              Messages                                                                                                             |
 1:58.84 INFO |-------------------------------------|---------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 1:58.84 INFO |                                     | OK      |                                                                                                                                                                                                                                   |
 1:58.84 INFO | `about:blank base URL is not live`  | FAIL    | `assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "about:blank"`                 |
 1:58.84 INFO | `about:srcdoc base URL is not live` | FAIL    | `assert_equals: child base URL is a snapshot from creation, not the container's current base URL expected "http://web-platform.test:8000/dom/nodes/Document-base-url-not-live.window.html" but got "http://example.com/changed/"` |
 1:58.84 INFO 
 1:58.85 INFO ### /dom/nodes/Document-cloneNode-about-base-url-relative.window.html ###
 1:58.85 INFO |                                   Subtest                                   | Results | Messages |
 1:58.85 INFO |-----------------------------------------------------------------------------|---------|----------|
 1:58.85 INFO |                                                                             | OK      |          |
 1:58.85 INFO | `A relative <base> in an about:blank document resolves against about:blank` | PASS    |          |
 1:58.85 INFO | `Clone of an about:blank document with a relative <base>`                   | PASS    |          |
 1:58.85 INFO 
 1:58.85 INFO ### /dom/nodes/Document-cloneNode-srcdoc-base-url.window.html ###
 1:58.85 INFO |                                    Subtest                                    | Results |                                                 Messages                                                |
 1:58.85 INFO |-------------------------------------------------------------------------------|---------|---------------------------------------------------------------------------------------------------------|
 1:58.85 INFO |                                                                               | OK      |                                                                                                         |
 1:58.85 INFO | `A relative <base> in an about:srcdoc document resolves against about:srcdoc` | FAIL    | `assert_equals: expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"`         |
 1:58.85 INFO | `Clone of an about:srcdoc document with a relative <base>`                    | FAIL    | `assert_equals: shallow expected "about:srcdoc" but got "http://web-platform.test:8000/dom/nodes/sub/"` |
 1:58.85 INFO 
 1:58.85 INFO ::: Running tests in a loop with restarts 10 times : PASS
 1:58.85 INFO :::
 1:58.85 INFO ::: Test verification PASS
 1:58.85 INFO :::
[taskcluster 2026-07-12 09:14:12.552Z] === Task Finished ===
[taskcluster 2026-07-12 09:14:12.931Z] Successful task run with exit code: 0 completed in 264.043 seconds
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