Fix CI

Author: martinsaposnic

lightning-liquidity/src/lsps5/client.rs

@@ -640,6 +640,7 @@ where
 
 #[cfg(test)]
 mod tests {
+	#![cfg(all(test, feature = "std"))]
 	use super::*;
 	use crate::{
 		lsps0::ser::LSPSRequestId, lsps5::msgs::SetWebhookResponse, tests::utils::TestEntropy,