def appCleanExit(self):
        self.service.shutdown()
Test getDiscoItems on the root node.
dataset/ETHPy150Open facebook/sparts/sparts/tasks/tui.py/UITask.appCleanExit--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_pubsub.py/PubSubServiceTest.test_getDiscoItemsRoot