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 test__str__(self):
      self.assertTrue(hasattr(self.object, "__str__"))
      self.assertTrue(hasattr(self.model, "__str__"))
  
      self.assertEqual(str(self.object), str(self.model))
  
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 6 for calling the StatementIntegrationTestCase obj's underlying member method code with example usage: obj.test__str__() without return types