ci: revert broken test

Author: zimeg

tests/scenario_tests/test_app.py

@@ -264,7 +264,7 @@ def handle(context: BoltContext, respond):
 
         req = BoltRequest(body=app_mention_event_body, headers={}, mode="socket_mode")
         response = app.dispatch(req)
-        assert response.status == 418
+        assert response.status == 200
         assert result["called"] is True
 
     def test_argument_logger_propagation(self):