'Create an instance action and event with a string start_time.'

def test_instance_action_and_event_start_string_time(self):

    uuid = uuidsentinel.uuid1
    action = db.action_start(self.ctxt, self._create_action_values(uuid))
    event_values = {'start_time': timeutils.utcnow().isoformat()}
    event_values = self._create_event_values(uuid, extra=event_values)
    event = db.action_event_start(self.ctxt, event_values)
    self._assertActionEventSaved(event, action['id'])
