code: def setUp(self):
      super(UtilsTest, self).setUp()
      self._action_spec = [
          array_spec.BoundedArraySpec((1,), np.int32, -10, 10),
      ]
  
      self._observation_spec = array_spec.BoundedArraySpec(
          (1,), np.int32, -10, 10
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing.absltest import mock
  import numpy
  from tf_agents.environments import random_py_environment
  from tf_agents.environments import utils
  from tf_agents.specs import array_spec
  from tf_agents.trajectories import time_step
  from tf_agents.utils import test_utils
label_desc: Use image node_id 1 for calling the UtilsTest obj's underlying member method code with example usage: obj.setUp() without return types