RESOLVED FIXED303857
[GTK][WPE] Test imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html is flaky since it was added on 304083@main 
https://bugs.webkit.org/show_bug.cgi?id=303857
Summary [GTK][WPE] Test imported/w3c/web-platform-tests/mathml/relations/css-styling/...
Carlos Alberto Lopez Perez
Reported 2025-12-09 10:41:44 PST
The test imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html is flaky since it was added on 304083@main on platforms GTK and WPE. imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html [ Pass ImageOnlyFailure ] When it fails, the diff is the following: * WPE: https://build.webkit.org/results/WPE-Linux-64-bit-Release-Tests/304152@main%20(24192)/imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001-diffs.html * GTK: https://build.webkit.org/results/GTK-Linux-64-bit-Release-Tests/304151@main%20(22427)/imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001-diffs.html So its the same issue. It usually fails on the first run and when the runner retries the test it passes: See: https://s3-us-west-2.amazonaws.com/ews-archives.webkit.org/wpe-x86_64-release-layout-tests/b5310326-102471.txt [...] 12:29:55.299 705 [71567/78252] imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html failed unexpectedly (reference mismatch maxDifference=255; totalPixels=876) 12:29:55.299 705 worker/10 imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html failed: 12:29:55.299 705 worker/10 reference mismatch maxDifference=255; totalPixels=876 [...] 12:40:39.435 705 imported/w3c/web-platform-tests/mathml/relations/css-styling/non-mathml-namespace-001.html passed 12:40:39.435 705 finished test group
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Carlos Alberto Lopez Perez
Comment 1 2025-12-09 13:53:55 PST
Test expectations updated on 304176@main
Eri
Comment 2 2025-12-12 08:35:57 PST
Is it still flaky after the [patch](https://github.com/WebKit/WebKit/commit/5d81af3f80a0583e2107f811905c7fc7c6392292) adding the namespace was merged? I can't reproduce it locally.
Claudio Saavedra
Comment 3 2026-04-02 09:51:15 PDT
Not flaky anymore.
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