class_docstr: Test case to make sure that the Django Statement model
  and ChatterBot Statement object have a common interface.
class_docstr_tok: ["Test","case","to","make","sure","that","the","Django","Statement","model","and","ChatterBot","Statement","object","have","a","common","interface","."]
code: def setUp(self):
      super().setUp()
  
      from datetime import datetime
      from pytz import UTC
  
      now = datetime(2020, 2, 15, 3, 14, 10, 0, UTC)
  
      self.object = StatementObject(text="_", created_at=now)
      self.model = StatementModel(text="_", created_at=now)
  
      # Simulate both statements being saved
      self.model.save()
      self.object.id = self.model.id
  
file_path: ChatterBot/tests_django/test_statement_integration.py
imports: from django.test import TestCase
  from chatterbot.conversation import Statement
  from chatterbot.ext.django_chatterbot.models import Statement
label_desc: Use image node_id 1 for calling the StatementIntegrationTestCase obj's underlying member method code with example usage: obj.setUp() without return types