code: def test_pickleable(self):
      self._add_one_path()
      replay_buffer_pickled = pickle.loads(
          pickle.dumps(self.replay_buffer)
      )
      assert (
          replay_buffer_pickled._buffer.keys()
          == self.replay_buffer._buffer.keys()
      )
      for k in replay_buffer_pickled._buffer:
          assert (
              replay_buffer_pickled._buffer[k].shape
              == self.replay_buffer._buffer[k].shape
          )
      sample = self.replay_buffer.sample_transitions(1)
      sample2 = replay_buffer_pickled.sample_transitions(1)
      for k in sample.keys():
          assert sample[k].shape == sample2[k].shape
      assert len(sample) == len(sample2)
  
file_path: garage/tests/garage/replay_buffer/test_her_replay_buffer.py
imports: import pickle
  import numpy
  import pytest
  from garage.envs import GymEnv
  from garage.replay_buffer import HERReplayBuffer
  from tests.fixtures.envs.dummy import DummyDictEnv
label_desc: Use image node_id 5 for calling the TestHerReplayBuffer obj's underlying member method code with example usage: obj.test_pickleable() without return types