def METHOD_NAME(self):
    res = self._master_client.update_node_addr(
        NodeType.PS, 0, "127.0.0.1:1234"
    )
    self.assertTrue(res.success, True)
    res = self._master_client.update_node_event(NodeType.PS, 0, "ADDED")
    self.assertTrue(res.success, True)
    ts = int(time.time())
    self._master_client.report_global_step(100, ts)
    model_info = grpc.ModelInfo()
    self._master_client.report_model_info(model_info)
    success = self._master_client.join_sync("test-sync")
    self.assertFalse(success)
    success = self._master_client.sync_finished("test-sync")
    self.assertFalse(success)
    success = self._master_client.barrier("test-barrier", True)
    self.assertFalse(success)
    self._master_client.report_node_status(0, NodeStatus.SUCCEEDED)