diff --git a/tests/test_app_model_lifecycle.py b/tests/test_app_model_lifecycle.py
index f1d49fd..15e99cc 100644
--- a/tests/test_app_model_lifecycle.py
+++ b/tests/test_app_model_lifecycle.py
@@ -5,7 +5,10 @@ from __future__ import annotations
 import subprocess
 import sys
 
+import pytest
 
+
+@pytest.mark.operator_ui
 def test_active_checkpoint_survives_cleanup_and_remains_chat_recoverable(tmp_path):
     """Exercise app state in isolation from Gradio's import-time worker sockets."""
     script = r'''