def test_subscription_billing_history_without_sub(self, mock_stripe):
        self.login()
        response = self.client.get(url_for('billing.billing_history'))

        assert_status_with_message(200, response,
                                   'Billing details and history')
Subscription billing history without sub should still work.
dataset/ETHPy150Open nickjj/build-a-saas-app-with-flask/catwatch/tests/billing/test_views.py/TestBilling.test_subscription_billing_history_without_sub