code: def setUp(self):
      super(TestValidate, self).setUp()
      self.script_entry_point = os.path.join(
          constants.TESTDATA_DIR, "mnist_example_using_fit.py"
      )
      self.notebook_entry_point = os.path.join(
          constants.TESTDATA_DIR, "mnist_example_using_fit.ipynb"
      )
      self.requirements_file = os.path.join(
          constants.TESTDATA_DIR, "requirements.txt"
      )
  
imports: import os
  from absl.testing import absltest
  from tensorflow_cloud.core import machine_config
  from tensorflow_cloud.core import validate
  from tensorflow_cloud.core.tests.unit import constants
label_desc: Use image node_id 1 for calling the TestValidate obj's underlying member method code with example usage: obj.setUp() without return types