code: def setUp(self):
      self.REQUEST = MPI.Request()
      self.STATUS = MPI.Status()
  
file_path: mpi4py/test/test_request.py
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 1 for calling the TestRequest obj's underlying member method code with example usage: obj.setUp() without return types