def METHOD_NAME(
    self
) -> None:
    exp_id = 'exp1'
    translation_models.EntityTranslationsModel.create_new(
        'exploration', exp_id, 5, 'hi', {}
    ).put()
    entity_translation = (
        translation_fetchers.get_entity_translation(
            feconf.TranslatableEntityType.EXPLORATION, exp_id, 5, 'hi'
        )
    )
    self.assertEqual(entity_translation.language_code, 'hi')