code: def testMujocoEnvRegistered(self):
      env = suite_mujoco.load("HalfCheetah-v2")
      self.assertIsInstance(env, py_environment.PyEnvironment)
      self.assertIsInstance(env, wrappers.TimeLimit)
  
file_path: agents/tf_agents/environments/suite_mujoco_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import gin
  import numpy
  from tf_agents.environments import py_environment
  from tf_agents.environments import suite_mujoco
  from tf_agents.environments import wrappers
  from tf_agents.utils import test_utils
label_desc: Use image node_id 3 for calling the SuiteMujocoTest obj's underlying member method code with example usage: obj.testMujocoEnvRegistered() without return types