The following layout test is failing on GTK accessibility/table-column-headers-with-captions.html Probable cause: Check https://bugs.webkit.org/show_bug.cgi?id=137846 Test results: https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20%28Tests%29/r174860%20%283585%29/accessibility/table-column-headers-with-captions-pretty-diff.html
<rdar://problem/18773140>