DROPME: Throw in some to_lowercases to make CI pass

We should drop this commit once
lightningdevkit/rust-lightning#3505 got in.

src/payment/unified_qr.rs

@@ -265,8 +265,10 @@ impl<'a> bip21::de::DeserializationState<'a> for DeserializationState {
 			"lno" => {
 				let bolt12_value =
 					String::try_from(value).map_err(|_| Error::UriParameterParsingFailed)?;
-				let offer =
-					bolt12_value.parse::<Offer>().map_err(|_| Error::UriParameterParsingFailed)?;
+				let offer = bolt12_value
+					.to_lowercase()
+					.parse::<Offer>()
+					.map_err(|_| Error::UriParameterParsingFailed)?;
 				self.bolt12_offer = Some(offer);
 				Ok(bip21::de::ParamKind::Known)
 			},
@@ -342,7 +344,7 @@ mod tests {
 		}
 
 		if let Some(offer) = parsed_uri_with_offer.extras.bolt12_offer {
-			assert_eq!(offer, Offer::from_str(expected_bolt12_offer_2).unwrap());
+			assert_eq!(offer, Offer::from_str(&expected_bolt12_offer_2.to_lowercase()).unwrap());
 		} else {
 			panic!("No offer found.");
 		}

tests/integration_tests_rust.rs

@@ -849,7 +849,7 @@ fn unified_qr_send_receive() {
 	let expiry_sec = 4_000;
 
 	let uqr_payment = node_b.unified_qr_payment().receive(expected_amount_sats, "asdf", expiry_sec);
-	let uri_str = uqr_payment.clone().unwrap();
+	let uri_str = uqr_payment.clone().unwrap().to_lowercase();
 	let offer_payment_id: PaymentId = match node_a.unified_qr_payment().send(&uri_str) {
 		Ok(QrPaymentResult::Bolt12 { payment_id }) => {
 			println!("\nBolt12 payment sent successfully with PaymentID: {:?}", payment_id);