public async Task<StripeResponse<ApplicationFeeRefund>> CreateApplicationFeeRefund(
     ApplicationFeeRefundCreateArguments arguments,
     CancellationToken cancellationToken = default(CancellationToken))
 {
     var request = new StripeRequest<ApplicationFeeRefundCreateArguments, ApplicationFeeRefund>
     {
         UrlPath = PathHelper.GetPath(Paths.ApplicationFees, arguments.ApplicationFeeId, Paths.Refunds),
         Model = arguments
     };
     return await _client.Post(request, cancellationToken);
 }
 public void Init()
 {
     GenFu.GenFu.Configure<ApplicationFeeRefundCreateArguments>().Fill(x => x.Amount, () => 100);
     _args = GenFu.GenFu.New<ApplicationFeeRefundCreateArguments>();
 }
        public async Task CreateApplicationFeeRefundTest()
        {
            // Arrange
            var args = new ApplicationFeeRefundCreateArguments
            {
                ApplicationFeeId = "application-fee-id"
            };

            _stripe.Post(
                Arg.Is<StripeRequest<ApplicationFeeRefundCreateArguments, ApplicationFeeRefund>>(
                    a => a.UrlPath == "application_fees/" + args.ApplicationFeeId + "/refunds"), _cancellationToken)
                .Returns(Task.FromResult(new StripeResponse<ApplicationFeeRefund>()));

            // Act
            var response = await _client.CreateApplicationFeeRefund(args, _cancellationToken);

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