code: def testCreate(self):
      group = self.COMM.Get_group()
      comm = self.COMM.Create(group)
      ccmp = MPI.Comm.Compare(self.COMM, comm)
      self.assertEqual(ccmp, MPI.CONGRUENT)
      ccmp = self.COMM.Compare(comm)
      self.assertEqual(ccmp, MPI.CONGRUENT)
      comm.Free()
      group.Free()
  
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 14 for calling the BaseTestComm obj's underlying member method code with example usage: obj.testCreate() without return types