Created attachment 392416 [details] scripts-removeChild-diff mathml/scripts-removeChild.html Description: This test is flaky failing on Mac. The flaky failures go back to at least r252162. I see a diff with the same percentage/image at r254916. History: https://results.webkit.org/?suite=layout-tests&test=mathml%2Fscripts-removeChild.html&platform=mac&flavor=wk2&flavor=wk1&limit=50000 Diff: https://build.webkit.org/results/Apple-Catalina-Release-WK2-Tests/r257841%20(3447)/mathml/scripts-removeChild-diff.png
<rdar://problem/60041327>
I have marked this test as failing while this issue is investigated. https://trac.webkit.org/changeset/257847/webkit
I can reproduce this issue on r257841 by running the command below. run-webkit-tests --iterations 2000 --exit-after-n-failures 5 --force -f mathml/scripts-removeChild.html --no-retry [12/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch) [13/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch) [14/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch) [20/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch) [25/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch) Exiting early after 5 failures. 20 tests run. 15 tests ran as expected, 5 didn't (1980 didn't run):
Committed r262871: <https://trac.webkit.org/changeset/262871>