'Testing whether scheduling a TFTP callback works correctly'

def test_schedule_callback_processing(self):

    self.assertFalse(self.handler.is_pending_task_active('tftp_process_callback'))
    self.handler._callback_scheduled = True
    self.handler._schedule_callback_processing()
    self.assertFalse(self.handler.is_pending_task_active('tftp_process_callback'))
