Unreviewed GTK gardening.

* platform/gtk/TestExpectations: Adding failure expectations for tests added in r143395, r143420 and r143439.
* platform/gtk/fast/js/global-constructors-expected.txt: Rebaselining after r143386.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143445 268f45cc-cd09-0410-ab3c-d52691b4dbfc