[Qt] Unreviewed gardening.

Patch by Zoltan Arvai <zarvai@inf.u-szeged.hu> on 2013-01-29

* platform/qt-5.0-wk2/TestExpectations: Skip broken plugin tests after r141051.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141106 268f45cc-cd09-0410-ab3c-d52691b4dbfc