public static InvoiceDTO BasicInvoice()
{
InvoiceDTO invoiceDto = new EFCorePoC.DTOs.InvoiceDTO();
invoiceDto.CustomerReference = "Customer Ref";
invoiceDto.Quantity = 1;
invoiceDto.ItemNet = 100;
invoiceDto.TaxRate = 20;
invoiceDto.InvoiceDate = DateTime.Today.Date;
invoiceDto.InvoiceNumber = 123456;
return(invoiceDto);
}