code: def testRemoveHandlerAsDecorator(self):
      default_handler = signal.getsignal(signal.SIGINT)
      unittest.installHandler()
  
      @unittest.removeHandler
      def test():
          self.assertEqual(
              signal.getsignal(signal.SIGINT), default_handler
          )
  
      test()
      self.assertNotEqual(
          signal.getsignal(signal.SIGINT), default_handler
      )
  
imports: import gc
  import os
  import sys
  import signal
  import weakref
  from cStringIO import StringIO
  import unittest
label_desc: Use image node_id 14 for calling the TestBreak obj's underlying member method code with example usage: obj.testRemoveHandlerAsDecorator() without return types