LayoutTest media/modern-media-controls/media-controller/media-controller-fade-controls-when-entering-fullscreen.html is a flaky timeout This test has been timing out far most often than it passes on mac-wk1 since it was added in https://trac.webkit.org/changeset/209228 https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/builds/10063 https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fmodern-media-controls%2Fmedia-controller%2Fmedia-controller-fade-controls-when-entering-fullscreen.html
Marked as flaky on mac-wk1 in http://trac.webkit.org/projects/webkit/changeset/209249
Hasn't been a problem since turning modern media controls on by default.