[Webkit-unassigned] [Bug 280528] New: [EWS macOS] imported/w3c/web-platform-tests/web-animations/timing-model/timelines/document-timelines.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=280528

            Bug ID: 280528
           Summary: [EWS macOS]
                    imported/w3c/web-platform-tests/web-animations/timing-
                    model/timelines/document-timelines.html is a flaky
                    failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: darbinyan at apple.com

Observing false positive failures on Sonoma and Ventura EWS queues. The test is flaky failure with text diff on main on Ventura+ Release. Suspecting the test regressed after 284168 at main change. 

-PASS Document timelines report current time relative to navigationStart
+FAIL Document timelines report current time relative to navigationStart assert_equals: The current time matches requestAnimationFrame time expected 13 but got 13.000000000000002
 PASS Child frames do not report negative initial times

Link:
https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/284232@main%20(8209)/imported/w3c/web-platform-tests/web-animations/timing-model/timelines/document-timelines-pretty-diff.html

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fweb-animations%2Ftiming-model%2Ftimelines%2Fdocument-timelines.html&style=release

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