code: def test_get_collect_data_spec(self):
      env = suite_gym.load("CartPole-v0")
      policy = driver_test_utils.PyPolicyMock(
          env.time_step_spec(), env.action_spec()
      )
      collect_spec = (
          spec_utils.get_collect_data_spec_from_policy_and_env(
              env, policy
          )
      )
      self.assertEqual(collect_spec.observation.name, "observation")
      self.assertEqual(collect_spec.reward.name, "reward")
  
imports: from tf_agents.drivers import test_utils
  from tf_agents.environments import suite_gym
  from tf_agents.train.utils import spec_utils
  from tf_agents.utils import test_utils
label_desc: Use image node_id 2 for calling the SpecUtilsTest obj's underlying member method code with example usage: obj.test_get_collect_data_spec() without return types