docstr: Remove the test database.
docstr_tok: ["Remove","the","test","database","."]
code: def tearDown(self):
      """
      Remove the test database.
      """
      self.chatbot.storage.drop()
  
file_path: ChatterBot/tests/base_case.py
imports: from unittest import TestCase, SkipTest
  from chatterbot import ChatBot
label_desc: Use image node_id 2 for calling the ChatBotTestCase obj's underlying member method code with example usage: obj.tearDown() without return types