code: def test_trpo_cubecrash():
      """Test tf/trpo_cubecrash.py with reduced batch size.
  
      This is to reduced memory consumption.
  
      """
      env = os.environ.copy()
      env["GARAGE_EXAMPLE_TEST_N_EPOCHS"] = "1"
      assert (
          subprocess.run(
              [
                  EXAMPLES_ROOT_DIR / "tf/trpo_cubecrash.py",
                  "--batch_size",
                  "4",
                  "--max_episode_length",
                  "5",
              ],
              check=False,
              env=env,
          ).returncode
          == 0
      )
  
imports: import os
  import pathlib
  import subprocess
  import pytest
label_desc: Use image node_id 6 for calling a global function with example usage: test_trpo_cubecrash() without return types