def unseen_count_for(self, user):
        return self.filter(user=user, unseen=True).count()
Verify that the custom product is working as expected.
dataset/ETHPy150Open davemerwin/blue-channel/external_apps/notification/models.py/NoticeManager.unseen_count_for--crossover with--dataset/ETHPy150Open dokterbob/satchmo/satchmo/apps/product/modules/custom/tests.py/ShopTest.test_custom_product