[Webkit-unassigned] [Bug 279096] New: [ macOS wk2 arm64 debug ] animations/stop-animation-on-suspend.html is a flaky text failure.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=279096

            Bug ID: 279096
           Summary: [ macOS wk2 arm64 debug ]
                    animations/stop-animation-on-suspend.html is a flaky
                    text failure.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Animations
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aviduya at apple.com
                CC: graouts at apple.com, graouts at webkit.org,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

animations/stop-animation-on-suspend.html
is a flaky text failure. 

HISTORY: 
https://results.webkit.org/?platform=mac&suite=layout-tests&test=animations%2Fstop-animation-on-suspend.html&style=debug

DIFF: 
 PASS - "webkitTransform" property for "box" element at 0.2s saw something close to: 1,0,0,1,100,0
-PASS - "webkitTransform" property for "iframe.subframe-box" element at 0.2s saw something close to: 1,0,0,1,100,0
+FAIL - "webkitTransform" property for "iframe.subframe-box" element at 0.2s expected: 1,0,0,1,100,0 but saw: matrix(1, 0, 0, 1, 67, 0)
 PASS - "webkitTransform" property for "box" element at 0.4s saw something close to: 1,0,0,1,400,0
-PASS - "webkitTransform" property for "iframe.subframe-box" element at 0.4s saw something close to: 1,0,0,1,400,0
+FAIL - "webkitTransform" property for "iframe.subframe-box" element at 0.4s expected: 1,0,0,1,400,0 but saw: matrix(1, 0, 0, 1, 367, 0)

LINK: 
https://build.webkit.org/results/Apple-Sonoma-Release-AppleSilicon-WK2-Tests/283116%40main%20(5417)/animations/stop-animation-on-suspend-diff.txt

REPRODUCIBILITY: 
I was able to reproduce on ToT using command
run-webkit-tests animations/stop-animation-on-suspend.html --debug --iterations=1000

DESCRIPTION:
The failure has been occurring for some time now, and does not have a clear regression point.

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