code: def testSetElements(self):
      try:
          self.STATUS.Set_elements(MPI.BYTE, 7)
          count = self.STATUS.Get_count(MPI.BYTE)
          self.assertEqual(count, 7)
          elements = self.STATUS.Get_elements(MPI.BYTE)
          self.assertEqual(elements, 7)
      except NotImplementedError:
          if MPI.Get_version() >= (2, 0):
              raise
          self.skipTest("mpi-status-set_elements")
  
file_path: mpi4py/test/test_status.py
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 6 for calling the TestStatus obj's underlying member method code with example usage: obj.testSetElements() without return types