Fix garden-o-matic unittests

I broke these with my previous checkin

BUG=
R=abarth@chromium.org

Review URL: https://codereview.chromium.org/166373008

git-svn-id: svn://svn.chromium.org/blink/trunk@167439 bbb929c8-8fbe-4397-9dbb-9b2b20218538