diff --git a/codex-rs/app-server/tests/suite/v2/turn_start.rs b/codex-rs/app-server/tests/suite/v2/turn_start.rs
index c05e1febb5..314be8a6ff 100644
--- a/codex-rs/app-server/tests/suite/v2/turn_start.rs
+++ b/codex-rs/app-server/tests/suite/v2/turn_start.rs
@@ -330,16 +330,10 @@ async fn turn_start_emits_thread_scoped_warning_notification_for_trimmed_skills(
     let warning: WarningNotification =
         serde_json::from_value(params).expect("deserialize warning notification");
     assert_eq!(warning.thread_id.as_deref(), Some(thread.id.as_str()));
-    let warning_prefix =
-        "Exceeded skills context budget of 2%. All skill descriptions were removed and ";
-    let warning_suffix = " additional skills were not included in the model-visible skills list.";
-    let omitted_skill_count = warning
-        .message
-        .strip_prefix(warning_prefix)
-        .and_then(|message| message.strip_suffix(warning_suffix))
-        .expect("warning should include omitted skill count")
-        .parse::<usize>()?;
-    assert!(omitted_skill_count > 0);
+    assert_eq!(
+        warning.message,
+        "Exceeded skills context budget of 2%. All skill descriptions were removed and 7 additional skills were not included in the model-visible skills list."
+    );
 
     timeout(
         DEFAULT_READ_TIMEOUT,