[Qt] Gardening.
r138820: Skipped a test because track feature is not functional yet.
r138838: Added new baseline to fast/writing-mode/table-percent-width-quirk-expected.txt.

Reviewed by Csaba Osztrogonác.

* platform/qt/TestExpectations:
* platform/qt/fast/writing-mode/table-percent-width-quirk-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138934 268f45cc-cd09-0410-ab3c-d52691b4dbfc