code: def testTwoResults(self):
      def test_function():
          unittest.installHandler()
  
          result = unittest.TestResult()
          unittest.registerResult(result)
          new_handler = signal.getsignal(signal.SIGINT)
  
          result2 = unittest.TestResult()
          unittest.registerResult(result2)
          self.assertEqual(signal.getsignal(signal.SIGINT), new_handler)
  
          result3 = unittest.TestResult()
  
          try:
              os.kill(os.getpid(), signal.SIGINT)
          except KeyboardInterrupt:
              self.fail("KeyboardInterrupt not handled")
  
          self.assertTrue(result.shouldStop)
          self.assertTrue(result2.shouldStop)
          self.assertFalse(result3.shouldStop)
  
      self.withRepeats(test_function)
  
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 8 for calling the TestBreak obj's underlying member method code with example usage: obj.testTwoResults() without return types