public async Task testShouldCreateGetCancelRefundRequest()
{
//check within the last few days
var date = DateTime.Now;
var today = date;
var sevenDaysAgo = date.AddDays(-95);
var invoices = await _bitpay.GetInvoices(sevenDaysAgo, today, InvoiceStatus.Complete);
Invoice firstInvoice = invoices.First();
Assert.NotNull(firstInvoice);
string refundEmail = "";
Boolean createdRefund = await _bitpay.CreateRefund(firstInvoice, refundEmail, firstInvoice.Price, firstInvoice.Currency);
List <Refund> retrievedRefunds = await _bitpay.GetRefunds(firstInvoice);
Refund firstRefund = retrievedRefunds.First();
Refund retrievedRefund = await _bitpay.GetRefund(firstInvoice, firstRefund.Id);
Boolean cancelled = await _bitpay.CancelRefund(firstInvoice, firstRefund.Id);
Assert.True(createdRefund);
Assert.True(retrievedRefunds.Count > 0);
Assert.NotNull(firstRefund);
Assert.NotNull(retrievedRefund);
Assert.True(cancelled);
}