Skip test-log/EquivalenceOfLoggingAndTraversal

Note that the test crashes if it fails, so the PASS || FAIL annotation
doesn't work.

BUG=v8:2857
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/22903039

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16296 ce2b1a6d-e550-0410-aec6-3dcde31c8c00