code: def testPybulletEnvRegistered(self):
      env = suite_pybullet.load("InvertedPendulumBulletEnv-v0")
      self.assertIsInstance(env, py_environment.PyEnvironment)
      self.assertIsInstance(env, wrappers.TimeLimit)
  
file_path: agents/tf_agents/environments/suite_pybullet_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import gin
  from tf_agents.environments import py_environment
  from tf_agents.environments import suite_pybullet
  from tf_agents.environments import wrappers
  from tf_agents.utils import test_utils
label_desc: Use image node_id 2 for calling the SuitePybulletTest obj's underlying member method code with example usage: obj.testPybulletEnvRegistered() without return types