Layout Test platform/mac-wk2/plugins/slow/asynchronous-plugin-initialization-multiple.html is extremely flaky on Mac WK2 bots, especially debug
https://bugs.webkit.org/show_bug.cgi?id=124476

* platform/mac-wk2/TestExpectations:
Mark test as flaky.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@159396 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed EFL gardening. Add webgl crash tests because webgl is not supported
by EFL WK2 fully yet as well as not fully supported by Intel and AMD hardware.

* platform/efl-wk2/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@159397 268f45cc-cd09-0410-ab3c-d52691b4dbfc