[EFL] Unreviewed gardening.

* platform/efl/TestExpectations: Marked new failing ref test svg/as-background-image/tiled-background-image.html.
* platform/efl/fast/js/global-constructors-expected.txt: Rebaselined, MutationObserver constructor now found.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143442 268f45cc-cd09-0410-ab3c-d52691b4dbfc