Unreviewed EFL gardening.

Mark accessibility/heading-level.html as failing on EFL port.
This test was added in r139534.

* platform/efl-wk2/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139566 268f45cc-cd09-0410-ab3c-d52691b4dbfc