docs: def clockIsBroken():
      """
      Returns whether twisted.internet.task.Clock has the bug that
      returns the wrong DelayedCall or not.
      """
      clock = Clock()
      dc1 = clock.callLater(10, lambda: None)
      dc2 = clock.callLater(1, lambda: None)
      if dc1 is dc2:
          return True
      else:
          return False