Braintree.Tests.Integration.SubscriptionIntegrationTest.Update_Id C# (CSharp) Method

        public void Update_Id()
        {
            string oldId = "old-id-" + new Random().Next(1000000);
            TestPlan plan = PlanFixture.PLAN_WITHOUT_TRIAL;
            SubscriptionRequest request = new SubscriptionRequest
            {
                PaymentMethodToken = creditCard.Token,
                PlanId = plan.Id,
                Id = oldId
            };

            gateway.Subscription.Create(request);

            string newId = "new-id-" + new Random().Next(1000000);
            SubscriptionRequest updateRequest = new SubscriptionRequest
            {
                Id = newId
            };
            Result<Subscription> result = gateway.Subscription.Update(oldId, updateRequest);

            Assert.IsTrue(result.IsSuccess());
            Subscription updatedSubscription = result.Target;

            Assert.AreEqual(newId, updatedSubscription.Id);
            Assert.IsNotNull(gateway.Subscription.Find(newId));
        }