Unreviewed GTK gardening.

* platform/gtk/TestExpectations: Adding a crash expectation for the layout test
added in r143303. The test is crashing due to missing bits of EventSender implementation.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143330 268f45cc-cd09-0410-ab3c-d52691b4dbfc