code: def testAgree(self):
      comm = self.COMM
      for i in range(5):
          flag = i
          flag = comm.Agree(flag)
          self.assertEqual(flag, i)
  
imports: from mpi4py import MPI
  import mpiunittest
  import warnings
  import struct
label_desc: Use image node_id 7 for calling the BaseTestULFM obj's underlying member method code with example usage: obj.testAgree() without return types