public override void DoTest() { var si = new IntegrationService(); PurchaseInvoiceWrapper item; var path = @"Data\PurchaseInvoiceWrapper.xml"; var serialiser = new XmlSerializer(typeof(PurchaseInvoiceWrapper)); using (TextReader reader = new StreamReader(path)) { item = (PurchaseInvoiceWrapper)serialiser.Deserialize(reader); reader.Close(); } var results = si.ReceiptLoad(item); }