public async Task GetInvoiceItemTest()
{
// Arrange
var id = "invoiceitem-id";
_stripe.Get(Arg.Is <StripeRequest <InvoiceItem> >(a => a.UrlPath == "invoiceitems/" + id), _cancellationToken)
.Returns(Task.FromResult(new StripeResponse <InvoiceItem>()));
// Act
var response = await _client.GetInvoiceItem(id, _cancellationToken);
// Assert
response.Should().NotBeNull();
}
