public async Task DeleteProductTest()
        {
            // Arrange
            var id = "product-id";

            _stripe.Delete(Arg.Is <StripeRequest <DeletedObject> >(a => a.UrlPath == "products/" + id), _cancellationToken)
            .Returns(Task.FromResult(new StripeResponse <DeletedObject>()));

            // Act
            var response = await _client.DeleteProduct(id, _cancellationToken);

            // Assert
            response.Should().NotBeNull();
        }