From 40b44a53614dd9e07d36f86ec6872a57621a4e39 Mon Sep 17 00:00:00 2001
From: Sayan Sisodiya <sayan@openai.com>
Date: Thu, 12 Feb 2026 21:48:16 -0800
Subject: [PATCH] brittle test fix

---
 codex-rs/core/tests/suite/resume_warning.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/codex-rs/core/tests/suite/resume_warning.rs b/codex-rs/core/tests/suite/resume_warning.rs
index f2e9c202b6..61726f913c 100644
--- a/codex-rs/core/tests/suite/resume_warning.rs
+++ b/codex-rs/core/tests/suite/resume_warning.rs
@@ -74,7 +74,14 @@ async fn emits_warning_when_resumed_model_differs() {
         .expect("resume conversation");
 
     // Assert: a Warning event is emitted describing the model mismatch.
-    let warning = wait_for_event(&conversation, |ev| matches!(ev, EventMsg::Warning(_))).await;
+    let warning = wait_for_event(&conversation, |ev| {
+        matches!(
+            ev,
+            EventMsg::Warning(WarningEvent { message })
+                if message.contains("previous-model") && message.contains("current-model")
+        )
+    })
+    .await;
     let EventMsg::Warning(WarningEvent { message }) = warning else {
         panic!("expected warning event");
     };