code: def test_dqn_atari():
      """Test torch/dqn_atari.py with reduced replay buffer size.
  
      This is to reduced memory consumption.
  
      """
      env = os.environ.copy()
      env["GARAGE_EXAMPLE_TEST_N_EPOCHS"] = "1"
      assert (
          subprocess.run(
              [
                  EXAMPLES_ROOT_DIR / "torch/dqn_atari.py",
                  "Pong",
                  "--buffer_size",
                  "1",
                  "--max_episode_length",
                  "1",
              ],
              check=False,
              env=env,
          ).returncode
          == 0
      )
  
imports: import os
  import pathlib
  import subprocess
  import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: test_dqn_atari() without return types