Fix credential route test argument comment

codex-rs/credentialed-routes/src/lib_tests.rs

@@ -4,7 +4,7 @@ use pretty_assertions::assert_eq;
 #[tokio::test]
 async fn load_without_codex_backend_auth_returns_no_routes() {
     assert_eq!(
-        load_for_session("https://example.invalid", None).await,
+        load_for_session("https://example.invalid", /*auth*/ None).await,
         CredentialedRoutesConfig::default()
     );
 }