NEW289276
[ macOS wk2 arm64 ] 4 imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative.html?designMode=on&white-space=* are flaky failures. 
https://bugs.webkit.org/show_bug.cgi?id=289276
Summary [ macOS wk2 arm64 ] 4 imported/w3c/web-platform-tests/editing/other/insertpar...
Yasmin Karimi
Reported 2025-03-06 13:28:46 PST
The following 4 tests are flakily failing on macOS wk2 arm64: imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative.html?designMode=on&white-space=pre-wrap imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative.html?designMode=on&white-space=pre-line imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative.html?designMode=on&white-space=pre imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative.html?designMode=on&white-space=normal HISTORY: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fediting%2Fother%2Finsertparagraph-in-child-of-head.tentative.html%3FdesignMode%3Don%26white-space%3Dpre-wrap&test=imported%2Fw3c%2Fweb-platform-tests%2Fediting%2Fother%2Finsertparagraph-in-child-of-head.tentative.html%3FdesignMode%3Don%26white-space%3Dpre-line&test=imported%2Fw3c%2Fweb-platform-tests%2Fediting%2Fother%2Finsertparagraph-in-child-of-head.tentative.html%3FdesignMode%3Don%26white-space%3Dpre&test=imported%2Fw3c%2Fweb-platform-tests%2Fediting%2Fother%2Finsertparagraph-in-child-of-head.tentative.html%3FdesignMode%3Don%26white-space%3Dnormal TEXT DIFF: @@ -1,6 +1,6 @@ -FAIL insertParagraph in empty <title style="display:block;white-space:pre-wrap"> should not split it assert_equals: 2 preformatted linefeeds should be inserted expected "<head><title>\n\n</title></head><body><br></body>" but got "<head><title></title></head><body><br><div><br></div></body>" +FAIL insertParagraph in empty <title style="display:block;white-space:pre-wrap"> should not split it assert_equals: 2 preformatted linefeeds should be inserted expected "<head><title>\n\n</title></head><body><br></body>" but got "<head><title></title></head><body><br></body>" FAIL insertParagraph in <title style="display:block;white-space:pre-wrap"> containing text should not split it assert_equals: 1 preformatted linefeed should be inserted expected "<head><title>ab\ncd</title></head><body><br></body>" but got "<head><title>ab</title><title style=\"display:block;white-space:pre-wrap\">cd</title></head><body><br></body>" FAIL insertParagraph in empty <style style="display:block;white-space:pre-wrap"> should not split it assert_equals: 2 preformatted linefeeds should be inserted expected "<head><title>iframe</title><style>\n\n</style></head><body><br></body>" but got "<head><title>iframe</title><style></style></head><body><br><div><br></div></body>" FAIL insertParagraph in <style style="display:block;white-space:pre-wrap"> containing text should not split it assert_equals: 1 preformatted linefeed should be inserted expected "<head><title>iframe</title><style>ab\ncd</style></head><body><br></body>" but got "<head><title>iframe</title><style>ab</style><style style=\"display:block;white-space:pre-wrap\">cd</style></head><body><br></body>" DIFF URL: https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/291717@main%20(7415)/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative_designMode=on&white-space=pre-wrap-pretty-diff.html https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/291717@main%20(7415)/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative_designMode=on&white-space=normal-pretty-diff.html REPRODUCIBILITY: I was able to reproduce this failure on MacOS Sequoia 15.3.1 (24D70 / arm64) at ToT with the following commands: run-webkit-tests imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative.html --iterations 50 run-webkit-tests "imported/w3c/web-platform-tests/editing/other/insertparagraph-in-child-of-head.tentative.html?designMode=on&white-space=pre" --iterations 500
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Radar WebKit Bug Importer
Comment 1 2025-03-06 13:29:06 PST
<rdar://problem/146417879>
EWS
Comment 2 2025-03-06 13:43:55 PST
Test gardening commit 291728@main (86f8e03e8318): <https://commits.webkit.org/291728@main> Reviewed commits have been landed. Closing PR #42032 and removing active labels.
Diego De La Toba
Comment 3 2026-02-24 11:30:38 PST
Looks like this gardening was accidentally removed in 306295@main. Regardening.
Diego De La Toba
Comment 4 2026-02-24 12:06:29 PST
Expectations re-added in 308144@main.
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