[Webkit-unassigned] [Bug 209079] New: [ Mac ] fast/animation/request-animation-frame-timestamps.html is flaky failing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209079

            Bug ID: 209079
           Summary: [ Mac ]
                    fast/animation/request-animation-frame-timestamps.html
                    is flaky failing.
           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: Lawrence.j at apple.com
                CC: dino at apple.com

fast/animation/request-animation-frame-timestamps.html

Description:
This test is flaky failing on Mac. The flaky failures go back to November 2019. 

History:
https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fmedia%2Fuser-gesture-preserved-across-xmlhttprequest.html&platform=mac

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/fast/animation/request-animation-frame-timestamps-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk1/build/layout-test-results/fast/animation/request-animation-frame-timestamps-actual.txt
@@ -3,10 +3,10 @@
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


+FAIL firstTimestamp should be defined. Was undefined
 PASS firstTimestamp is defined.
 PASS secondTimestamp is defined.
 PASS firstTimestamp is secondTimestamp
-PASS firstTimestamp is defined.
 PASS successfullyParsed is true

 TEST COMPLETE

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