commented out the test mentioned in http://code.google.com/p/co19/issues/detail?id=153 
commented out the test mentioned in http://code.google.com/p/co19/issues/detail?id=153 

git-svn-id: 38feb1729fd842af57e1a6ea8a5dccce4272ed9b@300 2ecb45c1-dfb3-dc95-330a-13f216d23a04

dart-lang/co19,dart-lang/co19,dart-lang/co19