public IEnumerator _06_PanelIsRegistered()
{
uiFrame.Initialize();
PanelA panelAPrefab = AssetDatabase.LoadAssetAtPath <PanelA>(PanelAPath);
uiFrame.RegisterScreen(panelAPrefab);
Assert.IsTrue(uiFrame.IsScreenRegistered <PanelA>());
yield return(null);
}