code: def setUp(self):
      super().setUp()
      self.trainer = ListTrainer(
          self.chatbot, show_training_progress=False
      )
  
imports: from tests.base_case import ChatBotTestCase
  from chatterbot.trainers import ListTrainer
  from chatterbot import preprocessors
label_desc: Use image node_id 1 for calling the ListTrainingTests obj's underlying member method code with example usage: obj.setUp() without return types