261344 2023-09-08 11:05:57 -0700 NEW TEST (267029@main): [ macOS wk2 ] requestidlecallback/requestidlecallback-does-not-block-timer.html is a flaky text failure. 2025-08-19 16:04:23 -0700 1 1 1 Unclassified WebKit DOM WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=203840 https://bugs.webkit.org/show_bug.cgi?id=261341 InRadar P2 Normal --- 1 ben_schwartz webkit-unassigned ap bmedina2 rniwa webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1976479 0 ben_schwartz 2023-09-08 11:05:57 -0700 requestidlecallback/requestidlecallback-does-not-block-timer.html This test is a flaky text failure on macOS wk2. HISTORY: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=requestidlecallback%2Frequestidlecallback-in-page-cache.html&test=requestidlecallback%2Frequestidlecallback-does-not-block-timer.html TEXT DIFF: On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". -PASS didFireTimer is true -PASS idleDeadline.timeRemaining() > 0 is true -PASS idleDeadline.timeRemaining() is 0 -PASS didRunIdleCallback is true +FAIL didRunIdleCallback should be true. Was false. PASS successfullyParsed is true +Some tests failed. TEST COMPLETE DIFF URL: https://build.webkit.org/results/Apple-Ventura-Debug-WK2-GPUProcess-Tests/267753@main%20(3505)/requestidlecallback/requestidlecallback-does-not-block-timer-pretty-diff.html REPRODUCIBILITY: I was able to reproduce this issue on macOS Ventura (13.5, 22G74/arm64) ToT using the following command: run-webkit-tests --verbose --clobber-old-results --iterations 2000 --child-processes 10 -f --exit-after-n-failures 1 requestidlecallback/requestidlecallback-does-not-block-timer.html REGRESSION: This test has been flaky since its introduction at 267029@main. 1976480 1 webkit-bug-importer 2023-09-08 11:06:05 -0700 <rdar://problem/115181506> 1976483 2 ews-feeder 2023-09-08 11:13:27 -0700 Test gardening commit 267802@main (ba7050225fec): <https://commits.webkit.org/267802@main> Reviewed commits have been landed. Closing PR #17602 and removing active labels. 2137557 3 bmedina2 2025-08-19 16:02:43 -0700 It looks like the test also started flaky failing on iOS Release. Added test expectation to reflect that. 2137558 4 ews-feeder 2025-08-19 16:04:23 -0700 Test gardening commit 298923@main (b0f4944ba80b): <https://commits.webkit.org/298923@main> Reviewed commits have been landed. Closing PR #49620 and removing active labels.