code: def testGetVersion(self):
      version = MPI.Get_version()
      self.assertEqual(len(version), 2)
      major, minor = version
      self.assertIs(type(major), int)
      self.assertIs(type(minor), int)
      self.assertGreaterEqual(major, 1)
      self.assertGreaterEqual(minor, 0)
  
imports: from mpi4py import MPI
  import mpiunittest
  import os
label_desc: Use image node_id 3 for calling the TestEnviron obj's underlying member method code with example usage: obj.testGetVersion() without return types