[Webkit-unassigned] [Bug 239574] New: [ macOS Release wk2 ] webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=239574

            Bug ID: 239574
           Summary: [ macOS Release wk2 ]
                    webanimations/frame-rate/animation-frame-rate-alignmen
                    t-started-with-one-frame-separation.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: rackler at apple.com

Description:
webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation.html

There was not one commit that I observed causing this issue.  This test seems to have been flaky from the start on Big Sur and Monterey.

History:
https://results.webkit.org/?suite=layout-tests&test=webanimations%2Fframe-rate%2Fanimation-frame-rate-alignment-started-with-one-frame-separation.html&platform=mac&flavor=wk2&style=release&limit=50000

Diff:
--- /Volumes/Data/worker/monterey-release-applesilicon-tests-wk2/build/layout-test-results/webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation-expected.txt
+++ /Volumes/Data/worker/monterey-release-applesilicon-tests-wk2/build/layout-test-results/webanimations/frame-rate/animation-frame-rate-alignment-started-with-one-frame-separation-actual.txt
@@ -1,3 +1,3 @@

-PASS Animations with the same frameRate started separately fire at the same timeline time
+FAIL Animations with the same frameRate started separately fire at the same timeline time assert_equals: The second timestamp was for animation "two" expected "two" but got "one"

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