assert_eq!(invoice, deserialized_invoice);
assert_eq!(invoice_str, deserialized_invoice.to_string().as_str());
assert_eq!(invoice_str, serialized_invoice.as_str().trim_matches('\"'));
assert_eq!(invoice, deserialized_invoice);
assert_eq!(invoice_str, deserialized_invoice.to_string().as_str());
assert_eq!(invoice_str, serialized_invoice.as_str().trim_matches('\"'));