public void ListCards_Success() { CustomerRequest request = BuildCreateRequest(); Customer customer = client.Create(request); Thread.Sleep(1000); try { CustomerCardCreateRequest cardRequest = BuildCardCreateRequest(); CustomerCard createdCard = client.CreateCard(customer.Id, cardRequest); ResourcesList <CustomerCard> results = client.ListCards(customer.Id); Assert.NotNull(results); Assert.Equal(createdCard.Id, results.First().Id); } finally { client.Delete(customer.Id); } }