code: def test_cli():
      """Simple blackbox test, run default training for 2 epochs"""
      result = subprocess.run(
          ["maze-run", "-cn", "conf_train", "algorithm.n_epochs=2"],
          capture_output=True,
      )
      assert result.returncode == 0, result.stderr.decode("utf-8")
  
imports: import subprocess
label_desc: Use image node_id 1 for calling a global function with example usage: test_cli() without return types