public void TestSetup()
{
EventSystem.current = new GameObject("EventSystem", typeof(EventSystem)).GetComponent <EventSystem>();
GameObject canvasRoot = new GameObject("Canvas", typeof(RectTransform), typeof(Canvas));
GameObject SelectableGO = new GameObject("Selectable", typeof(RectTransform), typeof(CanvasRenderer));
SelectableGO.transform.SetParent(canvasRoot.transform);
selectable = SelectableGO.AddComponent <SelectableTest>();
selectable.targetGraphic = selectable.gameObject.AddComponent <ConcreteGraphic>();
}