LayoutTest editing/deleting/delete-emoji.html is timing out https://build.webkit.org/results/Apple%20El%20Capitan%20Release%20WK1%20(Tests)/r212812%20(13971)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=editing%2Fdeleting%2Fdelete-emoji.html
Flakiness dashboard blames https://trac.webkit.org/changeset/212812