Sort out some TestExpectations lines from r167542

These lines were slightly wrong due to some old Mavericks flake suppressions.

BUG=344105
TBR=jchaffraix

Review URL: https://codereview.chromium.org/174373004

git-svn-id: svn://svn.chromium.org/blink/trunk@167550 bbb929c8-8fbe-4397-9dbb-9b2b20218538