code: def testException(self):
      command = "; ".join(
          (
              "from mpi4py import MPI",
              "comm = MPI.COMM_WORLD",
              "comm.Barrier()",
              "comm.Barrier()",
              "comm.Get_rank() == {} and (1/0)",
              "comm.Barrier()",
          )
      )
      excmess = "ZeroDivisionError:"
      for np in (1, 2):
          for rank in range(0, np):
              status, stdout, stderr = self.execute(
                  command.format(rank), np
              )
              self.assertEqual(status, 1)
              self.assertMPIAbort(stdout, stderr, excmess)
  
imports: import sys
  import os
  import shlex
  import shutil
  import warnings
  import subprocess
  import unittest
  import mpi4py
label_desc: Use image node_id 4 for calling the TestRunCommand obj's underlying member method code with example usage: obj.testException() without return types