test: 修正PLC网关替身生命周期

app/tests/plc_runtime_tests.cpp

@@ -160,8 +160,8 @@ void testRuntimeRepositorySwitchingAndDisconnect()
     PlcRegisterRepository plc_repository;
     ActiveRegisterRepository active_repository(virtual_repository);
     OfflineSimulationService simulation_service(virtual_repository);
-    RuntimeModeService service(project_service, simulation_service);
     FakePlcGateway gateway;
+    RuntimeModeService service(project_service, simulation_service);
     service.configurePlc(
         gateway, active_repository, virtual_repository, plc_repository);