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Test serialization of processing instructions in HTML #57486

Test serialization of processing instructions in HTML
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Community-TC Integration / wpt-chrome-dev-stability succeeded Feb 2, 2026 in 4m 22s

Community-TC (pull_request)

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

Details

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

Task Status

Started: 2026-02-02T15:35:40.500Z
Resolved: 2026-02-02T15:39:10.231Z
Task Execution Time: 3 minutes, 29 seconds, 731 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=dev --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 --enable-swiftshader --install-browser --install-webdriver chrome

[taskcluster 2026-02-02 15:35:40.582Z] Task ID: FaW5XigNQfm86XPniJxfYA
[taskcluster 2026-02-02 15:35:40.582Z] Worker ID: 1160689381236636365
[taskcluster 2026-02-02 15:35:40.582Z] Worker Group: us-east1-b
[taskcluster 2026-02-02 15:35:40.582Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-02-02 15:35:40.582Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-02-02 15:35:40.582Z] Worker Version: 46.1.0
[taskcluster 2026-02-02 15:35:40.582Z] Public IP: 35.185.62.66
[taskcluster 2026-02-02 15:35:40.582Z] Hostname: proj-wpt-ci-bbhdzgwztfyacavwa6ocya

8f84a9f2102e - Started downloading
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ac811f28856d - Downloaded in 0.042 seconds
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8f84a9f2102e - Downloaded in 0.201 seconds
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4f4fb700ef54 - Downloaded in 0.003 seconds
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...(1934 lines hidden)...

    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1

 1:11.28 INFO No more tests
 1:11.34 INFO Closing logging queue
 1:11.34 INFO queue closed
 1:11.40 SUITE_END

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

Unexpected Results
------------------
/html/syntax/serializing-html-fragments/processing-instructions.html
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
  FAIL PI created by document.createProcessingInstruction() - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:10:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:6:1
  FAIL PI adopted from XML document - assert_equals: expected "<?target data>" but got "<?target data?>"
    at Test.<anonymous> (http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:19:3)
    at Test.step (http://web-platform.test:8000/resources/testharness.js:2869:25)
    at test (http://web-platform.test:8000/resources/testharness.js:633:30)
    at http://web-platform.test:8000/html/syntax/serializing-html-fragments/processing-instructions.html:13:1
 1:11.40 INFO Got 10 unexpected results, with 0 unexpected passes
 1:11.41 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:11.41 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:11.42 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:11.42 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:11.42 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:11.42 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:11.42 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:11.42 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:11.43 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:11.43 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:11.76 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:11.77 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:11.80 INFO Removed font: Ahem.ttf
 1:11.83 INFO Closing logging queue
 1:11.83 INFO queue closed
 1:11.84 INFO ::: Ran 10 of expected 10 iterations.
 1:11.84 INFO ## All results ##

 1:11.84 INFO ### /html/syntax/serializing-html-fragments/processing-instructions.html ###
 1:11.84 INFO |                        Subtest                         | Results |                               Messages                               |
 1:11.84 INFO |--------------------------------------------------------|---------|----------------------------------------------------------------------|
 1:11.84 INFO |                                                        | OK      |                                                                      |
 1:11.84 INFO | `PI created by document.createProcessingInstruction()` | FAIL    | `assert_equals: expected "<?target data>" but got "<?target data?>"` |
 1:11.84 INFO | `PI adopted from XML document`                         | FAIL    | `assert_equals: expected "<?target data>" but got "<?target data?>"` |
 1:11.84 INFO 
 1:11.84 INFO ::: Running tests in a loop with restarts 10 times : PASS
 1:11.84 INFO :::
 1:11.84 INFO ::: Test verification PASS
 1:11.84 INFO :::
[taskcluster 2026-02-02 15:39:09.003Z] === Task Finished ===
[taskcluster 2026-02-02 15:39:09.422Z] Successful task run with exit code: 0 completed in 208.842 seconds
View more details on Community-TC Integration