code: def testRegisterResult(self):
      result = unittest.TestResult()
      unittest.registerResult(result)
  
      for ref in unittest.signals._results:
          if ref is result:
              break
          elif ref is not result:
              self.fail("odd object in result set")
      else:
          self.fail("result not found")
  
imports: import gc
  import os
  import sys
  import signal
  import weakref
  from cStringIO import StringIO
  import unittest
label_desc: Use image node_id 4 for calling the TestBreak obj's underlying member method code with example usage: obj.testRegisterResult() without return types