[Qt] Unreviewed gardening. Skipping failing tests.

Patch by Zoltan Arvai <zarvai@inf.u-szeged.hu> on 2013-02-04

* platform/qt/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141767 268f45cc-cd09-0410-ab3c-d52691b4dbfc