Blink gardening: update test expectations

TBR=fs@opera.com
BUG=354785
NOTRY=true

Review URL: https://codereview.chromium.org/207773002

git-svn-id: svn://svn.chromium.org/blink/trunk@169728 bbb929c8-8fbe-4397-9dbb-9b2b20218538