code: def test_observation_space(self):
      env = PointEnv()
      env.reset()
      obs_space = env.observation_space
      a = env.action_space.sample()
      obs = env.step(a).observation
      assert obs_space.contains(obs)
  
file_path: garage/tests/garage/envs/test_point_env.py
imports: import pickle
  import numpy
  import pytest
  from garage.envs.point_env import PointEnv
label_desc: Use image node_id 3 for calling the TestPointEnv obj's underlying member method code with example usage: obj.test_observation_space() without return types