Bug 230504 – [ BigSur+ wk2 Release ] css3/masking/reference-clip-path-animate-transform-repaint.html is a flaky failure

• Component: CSS
• Status: NEW

[Eric Hutchison]

css3/masking/reference-clip-path-animate-transform-repaint.html

is a flaky failure on Catalina and BigSur wk2 release.

History: https://results.webkit.org/?suite=layout-tests&test=css3/masking/reference-clip-path-animate-transform-repaint.html

Results: https://ews-build.s3-us-west-2.amazonaws.com/macOS-Catalina-Release-WK2-Tests-EWS/r438699-16001/results.html

Diff: 
--- /Volumes/Data/worker/macOS-Catalina-Release-WK2-Tests-EWS/build/layout-test-results/css3/masking/reference-clip-path-animate-transform-repaint-expected.txt
+++ /Volumes/Data/worker/macOS-Catalina-Release-WK2-Tests-EWS/build/layout-test-results/css3/masking/reference-clip-path-animate-transform-repaint-actual.txt
@@ -1,4 +1,4 @@
- PASS repaintRects.indexOf('rect 8 8 220 220') is not -1
+ FAIL repaintRects.indexOf('rect 8 8 220 220') should not be -1.
 PASS successfullyParsed is true
 
 TEST COMPLETE

Reproduced test failure locally on r282767 using run-webkit-tests -f --force --iterations 1000 --exit-after-n-failures 1 --clobber-old-results css3/masking/reference-clip-path-animate-transform-repaint.html

[Radar WebKit Bug Importer]

<rdar://problem/83322101>

[Eric Hutchison]

Updated test expectations at https://trac.webkit.org/changeset/282776/webkit.

[Radar WebKit Bug Importer]

<rdar://problem/83322336>

[Karl Rackler]

I have marked this test as flaky failing for BigSur "+" while this issue is investigated.
r292783

[EWS]

Test gardening commit 279539@main (81560b2588ab): <https://commits.webkit.org/279539@main>

Reviewed commits have been landed. Closing PR #29331 and removing active labels.