test: accept startup and supervisor SIGKILL diagnostics

CHANGELOG.md

@@ -16,6 +16,8 @@ the frozen-backend fallback mirror it for their toolchains.
 
 ### Fixed
 
+- Accept both valid SIGKILL diagnostics in the desktop lifecycle regression check (#2170)
+
 - Repair CTranslate2 loading safely across ASR and translation, and retain the loaded Whisper model during CPU fallback (#2165) — thanks @guruthechosen!
 - Avoid pedalboard wheels that crash on unsupported CPU instructions (#2080) — thanks @D3nii!
 - Include cuDNN 8 compatibility libraries for CTranslate2 in CUDA containers (#2072) — thanks @basil-k-aji-dev!

frontend/src-tauri/tests/backend_lifecycle.rs

@@ -1702,7 +1702,12 @@ fn sigkill_is_named_as_signal_nine() {
     join_with_timeout(h, Duration::from_secs(120), "sigkill loop");
 
     let msg = t.failed_message().expect("stage must be Failed");
-    assert!(msg.contains("signal 9"), "signal deaths must be named, got: {msg}");
+    // A slow runner can observe this death during readiness instead of in the
+    // supervisor. Both paths identify SIGKILL; only their formatting differs.
+    assert!(
+        msg.contains("signal 9") || msg.contains("signal: 9 (SIGKILL)"),
+        "signal deaths must be named, got: {msg}"
+    );
     let store = t.markers();
     let m = store.markers.last().expect("marker written");
     assert_eq!(m.exit_code, None);