LayoutTest fast/mediastream/MediaStream-video-element-video-tracks-disabled-then-enabled.html timing out https://build.webkit.org/results/Apple%20Sierra%20Release%20WK2%20(Tests)/r210666%20(2684)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=fast%2Fmediastream%2FMediaStream-video-element-video-tracks-disabled-then-enabled.html
Started with http://trac.webkit.org/changeset/210621
Eric says he understands the issue and will fix this today. Marked as a timeout in http://trac.webkit.org/projects/webkit/changeset/210678
Created attachment 298726 [details] Patch.
Committed r210730: https://trac.webkit.org/r210730