Gardening: A failing test should be moved to TestExpectations.

BUG=310866
TBR=jsbell@chromium.org

Review URL: https://codereview.chromium.org/38353004

git-svn-id: svn://svn.chromium.org/blink/trunk@160397 bbb929c8-8fbe-4397-9dbb-9b2b20218538