this actually is not used with motoko, so no need to touch it

Author: altkdf

backend/rs/ic_vetkeys/tests/key_manager.rs

@@ -146,9 +146,7 @@ fn cannot_alter_owner_rights() {
     let mut key_manager = random_key_manager(rng);
 
     assert_eq!(
-        key_manager
-            .set_user_rights(caller, (caller, name), caller, AccessRights::Read)
-            .map_err(|s| s.to_ascii_lowercase()),
+        key_manager.set_user_rights(caller, (caller, name), caller, AccessRights::Read),
         Err("cannot change key owner's user rights".to_string())
     );