Suppress failing pub/test/install/git/dependency_name_match_pubspec_test on windows

Filed issue 10348

R=ajohnsen@google.com

Review URL: https://codereview.chromium.org//14752003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22222 260f80e4-7a28-3924-810f-c04153c831b5