'Verify emitted event data.
Arguments:
event_type: expected event type
event_data: expected event data'

def verify_event_data(self, event_type, event_data):

    actual_events = self.wait_for_events(event_filter={'event_type': event_type}, number_of_matches=1)
    self.assert_events_match(event_data, actual_events)
