Fix test expectations for cctest/test-debug.

BUG=v8:3125
R=bmeurer@chromium.org
TBR=verwaest@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/150173003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18935 ce2b1a6d-e550-0410-aec6-3dcde31c8c00