code: def testRegisterResult(self):
      result = unittest.TestResult()
      self.assertNotIn(result, unittest.signals._results)
  
      unittest.registerResult(result)
      try:
          self.assertIn(result, unittest.signals._results)
      finally:
          unittest.removeResult(result)
  
imports: import gc
  import io
  import os
  import sys
  import signal
  import weakref
  import unittest
  from test import support
label_desc: Use image node_id 5 for calling the TestBreak obj's underlying member method code with example usage: obj.testRegisterResult() without return types