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);
}