Using ProcessGate for CEI Launch
Wrapping the ProcessStateGate by a poll. That way we can poll the Process State Gate in small increments of 0.2 seconds for an overall timeout of 10 seconds. This makes the test potential speedier if possible
now using the ProcessStateGate as apparently there is a bug in the event persister that cause fail when we listen for process running events. also removing poll
Merge pull request #573 from swarbhanu/fix_test_createDataProcessUsingSim

Uses a ProcessStateGate wrapped in a poller in order to fix the test_createDataProcessUsingSim