Skip long running regression test from r14078.

R=yangguo@chromium.org
BUG=chromium:217858
TEST=mjsunit/regress/regress-crbug-217858

Review URL: https://codereview.chromium.org/13640004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14141 ce2b1a6d-e550-0410-aec6-3dcde31c8c00