code: def testGetGroup(self):
      fgroup = self.FILE.Get_group()
      cgroup = self.COMM.Get_group()
      gcomp = MPI.Group.Compare(fgroup, cgroup)
      self.assertEqual(gcomp, MPI.IDENT)
      fgroup.Free()
      cgroup.Free()
  
imports: from mpi4py import MPI
  import mpiunittest
  import os, tempfile, pathlib
label_desc: Use image node_id 5 for calling the BaseTestFile obj's underlying member method code with example usage: obj.testGetGroup() without return types