public void WhenDeleteAndExists_ThenDeletes()
        {
            var subscription = new WebhookSubscription
            {
                CreatedById = "auserid",
                Event       = "aneventname1"
            };

            var subscriptionId = store.Add(subscription);

            subscription.Name = "anewname";

            store.Delete(subscriptionId);

            var result = store.Get("auserid", "aneventname1");

            Assert.That(result, Is.Null);
        }