Remove some passing tests from TestExpectations and OilpanExpectations

BUG=378129
TBR=esprehn@chromium.org

Review URL: https://codereview.chromium.org/297203010

git-svn-id: svn://svn.chromium.org/blink/trunk@174928 bbb929c8-8fbe-4397-9dbb-9b2b20218538