Fix cgrouptest
Without this MR automoc couldnt find its cgrouptest's class and gives warnings (even brakes in bsd )
14:34:42 AutoMoc warning
14:34:42 ---------------
14:34:42 "SRC:/autotests/cgrouptest.cpp"
14:34:42 includes the moc file "cgrouptest.moc", but does not contain a Q_OBJECT, Q_GADGET, Q_NAMESPACE, Q_NAMESPACE_EXPORT, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_EXPORT_KPACKAGE_PACKAGE_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_EXPORT_KPACKAGE_PACKAGE_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON, K_PLUGIN_CLASS_WITH_JSON, K_PLUGIN_FACTORY, K_PLUGIN_FACTORY_WITH_JSON or K_PLUGIN_CLASS_WITH_JSON macro.
14:34:42
14:34:43 AutoMoc: /usr/home/jenkins/workspace/Plasma/libksysguard/stable-kf5-qt5 FreeBSDQt5.15/autotests/cgrouptest.cpp:0: Note: No relevant classes found. No output generated.