[Webkit-unassigned] [Bug 268406] New: REGRESSION (273266 at main?): [ Sonoma wk2 ] transitions/flex-transitions.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=268406

            Bug ID: 268406
           Summary: REGRESSION (273266 at main?): [ Sonoma wk2 ]
                    transitions/flex-transitions.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

Description:
transitions/flex-transitions.html 

Is a flaky failure on macOS ToT. The test expectation was removed in 273266 at main. The test was constantly failing before and after the commit it's still failing but with less frequency. 

This issue can be reproduced by using the command: 
run-webkit-tests --root  --exit-after-n-failures 1 --debug <test>

History:
https://results.webkit.org/?suite=layout-tests&test=transitions%2Fclip-path-transitions.html

Diff Log:
-PASS - "flex" property for "row1" element at 0.2s saw something close to: 140,0,0
-PASS - "flex" property for "column1" element at 0.2s saw something close to: 80,0,40
+FAIL - "flex" property for "row1" element at 0.2s expected: 140,0,0 but saw: 127.4000015258789,0,0
+FAIL - "flex" property for "column1" element at 0.2s expected: 80,0,40 but saw: 86.30000305175781,0,27.399999618530273
 PASS - "flex" property for "negative1" element at 0.2s saw something close to: 100,100,60
 PASS - "flex" property for "no-flex1" element at 0.2s saw something close to: 80,0,0
 PASS - "flex" property for "row1" element at 0.8s saw something close to: 260,0,0

Link:
https://build.webkit.org/results/Apple-Sonoma-Release-WK2-Tests/273742@main%20(1487)/transitions/flex-transitions-pretty-diff.html

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