Unreviewed GTK gardening.

* platform/gtk/TestExpectations: Adding failure expectations for tests introduced in r143470 and r143541.
* platform/gtk/fast/dom/constructed-objects-prototypes-expected.txt: Rebaselining after r143505.
* platform/gtk/fast/js/global-constructors-expected.txt: Ditto.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143577 268f45cc-cd09-0410-ab3c-d52691b4dbfc