def test_subscription_update(self, subscriptions, mock_stripe):
        """ Subscription create adds a new subscription. """
        self.login(identity='subscriber@localhost.com')

        params = {
            'submit_gold': ''
        }

        response = self.client.post(url_for('billing.update'),
                                    data=params, follow_redirects=True)

        assert response.status_code == 200
dataset/ETHPy150Open nickjj/build-a-saas-app-with-flask/catwatch/tests/billing/test_views.py/TestBilling.test_subscription_update/original