fixup! Add end-to-end test for HRN resolution

Author: chuksys

src/payment/unified.rs

@@ -337,7 +337,10 @@ impl UnifiedPayment {
 		log_error!(self.logger, "Payable methods not found in URI");
 		Err(Error::PaymentSendingFailed)
 	}
+}
 
+#[cfg(hrn_tests)]
+impl UnifiedPayment {
 	/// Sets a test offer to be used in the `send` method when the `hrn_tests` config flag is enabled.
 	///
 	/// This is necessary for Bolt12 payments in HRN tests because we typically resolve offers
@@ -346,7 +349,6 @@ impl UnifiedPayment {
 	/// offers allow us to bypass this resolution step and test the subsequent payment flow.
 	///
 	/// [BIP 353]: https://github.com/bitcoin/bips/blob/master/bip-0353.mediawiki
-	#[cfg(hrn_tests)]
 	pub fn set_test_offer(&self, _offer: Offer) {
 		let _ = self.test_offer.lock().map(|mut guard| *guard = Some(_offer)).map_err(|e| {
 			log_error!(self.logger, "Failed to set test offer due to poisoned lock: {:?}", e)