enable safari for three tests, to verify if they would fail with same reason as local run. Also add extra wait on application cache status.
fix updateCookie (we used to set value to error always, should apply the value passed in)
also move appCacheStatus int to status string logic into a function to AuraUITestingUtil
@bug W-2367702@
@rev gtorres@
Merging origin/lin/master-pending/update-appcache-test-extra-wait into master