def METHOD_NAME(self):
    self.translated_model.delete()
    copy = self.main_instance.copy_for_translation(locale=self.another_locale)
    self.assertNotEqual(copy, self.main_instance)
    self.assertEqual(copy.translation_key, self.main_instance.translation_key)
    self.assertEqual(copy.locale, self.another_locale)
    self.assertEqual("Main Model", copy.title)