test(wallet): assert Display for InvalidCurrentHeight error

Author: none34829

tests/wallet.rs

@@ -322,9 +322,11 @@ fn test_create_tx_invalid_current_height_returns_error() {
         .add_recipient(addr.script_pubkey(), Amount::from_sat(25_000))
         .current_height(500_000_000);
 
-    assert_matches!(
-        builder.finish(),
-        Err(CreateTxError::InvalidCurrentHeight(500_000_000))
+    let err = builder.finish().unwrap_err();
+    assert_matches!(err, CreateTxError::InvalidCurrentHeight(500_000_000));
+    assert_eq!(
+        err.to_string(),
+        "Cannot use height 500000000 as a locktime (must be below 500_000_000)"
     );
 }