LayoutTest media/modern-media-controls/pip-button/pip-button.html is a flaky timeout https://build.webkit.org/results/Apple%20Sierra%20Release%20WK1%20(Tests)/r211065%20(3033)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fmodern-media-controls%2Fpip-button%2Fpip-button.html
This appears to be limited to macOS WK1
Marked as flaky in https://trac.webkit.org/changeset/211073
Committed r211420: <http://trac.webkit.org/changeset/211420>
Still flaky on macOS debug WK1.
<rdar://problem/30799132>
Created attachment 303163 [details] Patch
Comment on attachment 303163 [details] Patch Clearing flags on attachment: 303163 Committed r213262: <http://trac.webkit.org/changeset/213262>
All reviewed patches have been landed. Closing bug.
This test is still a flaky timeout on mac-wk1 Debug. Reopening.