code: def test_model_copy_with_multi_copy(self):
      self.assertNotEqual(
          self.target_model.gru.param_candidate_name,
          self.target_model_2.gru.param_candidate_name,
      )
      self.assertNotEqual(
          self.target_model.gru.param_gate_name,
          self.target_model_2.gru.param_gate_name,
      )
      self.assertNotEqual(
          self.target_model.gru.bias_candidate_name,
          self.target_model_2.gru.bias_candidate_name,
      )
      self.assertNotEqual(
          self.target_model.gru.bias_gate_name,
          self.target_model_2.gru.bias_gate_name,
      )
  
file_path: PARL/parl/core/fluid/tests/gru_cell_test_fluid.py
imports: from parl import layers
  from copy import deepcopy
  import unittest
  import paddle.fluid
  import parl
  from parl.utils import get_gpu_count
  import numpy
label_desc: Use image node_id 3 for calling the GRUModelTest obj's underlying member method code with example usage: obj.test_model_copy_with_multi_copy() without return types