code: def test_restore_with_model(self):
      agent = TestAgent(self.alg)
      obs = np.random.random([10, 4]).astype("float32")
      save_path1 = "mymodel.ckpt"
      previous_output = agent.predict(obs)
      agent.save(save_path1, agent.alg.model)
      agent.restore(save_path1, agent.alg.model)
      current_output = agent.predict(obs)
      np.testing.assert_equal(current_output, previous_output)
  
      # a new agent instance
      another_agent = TestAgent(self.alg)
      another_agent.restore(save_path1, agent.alg.model)
      current_output = another_agent.predict(obs)
      np.testing.assert_equal(current_output, previous_output)
  
imports: import numpy
  import unittest
  import paddle
  import paddle.nn
  import parl
  import os
label_desc: Use image node_id 8 for calling the AgentBaseTest obj's underlying member method code with example usage: obj.test_restore_with_model() without return types