The following layout test timeout sometimes on platform GTK: fast/parser/xml-error-adopted.xml
bug 134981 may be related
The test filed under this bug has been passing consistently in the last 4000 revisions. The test was removed from expectations in r262797. Closing bug. Committed r262811: <https://trac.webkit.org/changeset/262811>
<rdar://problem/64182781>