Unreviewed EFL gardening.

Mark websocket tests as flaky and webgl/conformance/rendering/gl-scissor-test.html
as failing.

* platform/efl-wk2/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148843 268f45cc-cd09-0410-ab3c-d52691b4dbfc