def METHOD_NAME(self):
    self.ccm.prepare_for_model_run()
    print("Certain move")
    self.ccm.prepare_for_model_step(self.cm.model_time,
            self.cm.time_step)
    self.ccm.get_move(
        self.cm.model_time,
        self.cm.time_step,
        self.cm.ref,
        self.cm.delta,
        self.cm.status,
        spill_type.forecast,
        )