[GTK] Unreviewed gardening. Added expectations for flaky tests.

* platform/gtk/TestExpectations: Marked animations/resume-after-page-cache.html,
css3/calc/img-size.html and perf/nested-combined-selectors.html as flaky.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153078 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[EFL] Unreviewed gardening
https://bugs.webkit.org/show_bug.cgi?id=118826

Unreviewed EFL gardening.

Patch by Seokju Kwon <seokju.kwon@gmail.com> on 2013-07-24

* platform/efl-wk2/TestExpectations: Update test expectations after r134890 and r139491.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@153079 268f45cc-cd09-0410-ab3c-d52691b4dbfc