public async Task CreateInvoiceItemTest()
{
// Arrange
var args = new InvoiceItemCreateArguments();
_stripe.Post(
Arg.Is <StripeRequest <InvoiceItemCreateArguments, InvoiceItem> >(a => a.UrlPath == "invoiceitems" && a.Model == args),
_cancellationToken).Returns(Task.FromResult(new StripeResponse <InvoiceItem>()));
// Act
var response = await _client.CreateInvoiceItem(args, _cancellationToken);
// Assert
response.Should().NotBeNull();
}
