Turn tests back on for Mac WK1/WK2 EWS.
        
Unreviewed.
        
* Scripts/webkitpy/tool/commands/earlywarningsystem.py:
(MacEWS):
(MacWK2EWS):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147625 268f45cc-cd09-0410-ab3c-d52691b4dbfc