code: def setUp(self):
      self.model = TestModel()
      self.target_model = TestModel()
      self.target_model2 = deepcopy(self.model)
      self.target_model3 = deepcopy(self.model)
  
imports: import numpy
  import paddle
  import paddle.nn
  import parl
  import unittest
  from copy import deepcopy
  from parl.core.paddle.model import Model
label_desc: Use image node_id 1 for calling the ModelBaseTest obj's underlying member method code with example usage: obj.setUp() without return types