The following layout test is flaky on macOS accessibility/mac/search-field-cancel-button.html Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=accessibility%2Fmac%2Fsearch-field-cancel-button.html There doesn't seem to be a recent regression point. build: https://build.webkit.org/results/Apple%20High%20Sierra%20Release%20WK2%20(Tests)/r225753%20(1684)/results.html I was able to reproduce the failure with: run-webkit-test accessibility/mac/search-field-cancel-button.html --no-retry-failure --verbose --iterations=50
<rdar://problem/36029687>
Marked as flaky on macOS in: https://trac.webkit.org/changeset/226124/webkit