REGRESSION (r144748-r144750): sputnik/Conformance/07_Lexical_Conventions/7.8_Literals/7.8.5_Regular_Expression_Literals/S7.8.5_A1.1_T2.html failing on Apple MountainLion Debug WK1 (Tests)
https://bugs.webkit.org/show_bug.cgi?id=111647

Unreviewed skip in test expectations for Mac.

* platform/mac/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145008 268f45cc-cd09-0410-ab3c-d52691b4dbfc