The following layout test is failing on Mojave wk1 editing/spelling/retro-correction-spelling-markers.html editing/spelling/grammar.html editing/spelling/markers.html Probable cause: Unknown at this time. This was a recent regression. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=editing%2Fspelling%2Fretro-correction-spelling-markers.html%20editing%2Fspelling%2Fgrammar.html%20editing%2Fspelling%2Fmarkers.html
These three tests look like they all fail in tandem meaning a state is being set.
<rdar://problem/46010806>