After r151694, fast/text/international/synthesized-italic-vertical-latin.html fails on Mac Lion-WK1 and Lion-WK2. First occurrence: http://build.webkit.org/builders/Apple%20Lion%20Debug%20WK1%20%28Tests%29/builds/9282 Since this was a build fix and rolling out probably won't help matters, I'm skipping this test on lion.
Committed r152462 to mark test as Failure on mac-lion.