public void AfterTest()
        {
            _otherGadget = null;
            _gadget      = null;

            _set = null;
        }
        public void BeforeTest()
        {
            _set = new GameObject().AddComponent <TestGadgetSetComponent>();
            _set.gameObject.AddComponent <TestUnityMessageEventDispatcherComponent>().TestAwake();

            _gadget      = new GameObject().AddComponent <MockGadgetComponent>();
            _otherGadget = new GameObject().AddComponent <MockGadgetComponent>();
        }