code: def test_run_cmd(self):
      cmd1 = "python"
      cmd2 = "-c"
      cmd3 = 'import sys; print("\\tThis is on stderr\\n", file=sys.stderr); sys.exit(1)'
      os.environ["MONAI_DEBUG"] = str(True)
      try:
          run_cmd([cmd1, cmd2, cmd3], check=True)
      except RuntimeError as err:
          self.assertIn("This is on stderr", str(err))
          self.assertNotIn("\\n", str(err))
          self.assertNotIn("\\t", str(err))
  
file_path: MONAI/tests/test_monai_utils_misc.py
imports: from __future__ import annotations
  import os
  import unittest
  from parameterized import parameterized
  from monai.utils.misc import MONAIEnvVars, check_kwargs_exist_in_class_init, run_cmd, to_tuple_of_dictionaries
label_desc: Use image node_id 3 for calling the TestCommandRunner obj's underlying member method code with example usage: obj.test_run_cmd() without return types