[Qt] Unreviewed gardening. Update platform specific expected file after r143836.

* platform/qt/TestExpectations: Skipped after r143300.
* platform/qt/fast/forms/select-baseline-expected.txt: Update after r143836.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144029 268f45cc-cd09-0410-ab3c-d52691b4dbfc