f nit rename test

Author: valentinewallace

lightning/src/offers/static_invoice.rs

@@ -877,7 +877,7 @@ mod tests {
 	}
 
 	#[test]
-	fn fails_build_with_extra_offer_chains() {
+	fn fails_building_with_extra_offer_chains() {
 		let node_id = recipient_pubkey();
 		let now = now();
 		let expanded_key = ExpandedKey::new(&KeyMaterial([42; 32]));