Bug 305671 – [Tahoe Release] fast/animation/css-animation-throttling.html is a flakey text failure.

• Component: New Bugs
• Status: NEW

[Diego De La Toba]

fast/animation/css-animation-throttling.html
is a flakey text failure on Tahoe MacOS release.


HISTORY:
https://results.webkit.org/?suite=layout-tests&test=fast%2Fanimation%2Fcss-animation-throttling.html&version_name=Tahoe&architecture=arm64&recent=false


TEXT DIFF:
--- /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/fast/animation/css-animation-throttling-expected.txt
+++ /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/fast/animation/css-animation-throttling-actual.txt
@@ -4,11 +4,11 @@
 
 
 internals.setLowPowerModeEnabled(true)
-PASS internals.animationsInterval is throttled
+FAIL internals.animationsInterval should be 0.05333333333333334. Was 0.02666666666666667.
 internals.setLowPowerModeEnabled(false)
 PASS internals.animationsInterval is unthrottled
 internals.setAggressiveThermalMitigationEnabled(true)
-PASS internals.animationsInterval is throttled
+FAIL internals.animationsInterval should be 0.05333333333333334. Was 0.02666666666666667.
 internals.setAggressiveThermalMitigationEnabled(false)
 PASS internals.animationsInterval is unthrottled
 PASS successfullyParsed is true


TEXT URL:
https://build.webkit.org/results/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/305729@main%20(1157)/fast/animation/css-animation-throttling-pretty-diff.html


STEPS TO REPRODUCE:
I was NOT able to reproduce this failure at macOS Tahoe ToT running the test as follows: 

run-webkit-tests fast/animation/css-animation-throttling.html --iterations 5000

I am going to mark expectations for this test as a pass failure while it is under investigation.

[Radar WebKit Bug Importer]

<rdar://problem/168329911>

[Diego De La Toba]

Pull request: https://github.com/WebKit/WebKit/pull/56742

[EWS]

Test gardening commit 305739@main (f13ad2306836): <https://commits.webkit.org/305739@main>

Reviewed commits have been landed. Closing PR #56742 and removing active labels.