public void SetChoiceText_Test() { var itm = new CustomItem(); itm.SetChoice(i => i.CustomChoice, "The Choice Number Two"); Assert.That(itm.CustomChoice, Is.EqualTo(TheChoice.Choice2)); itm.SetChoice(i => i.CustomChoice, "Choice3"); Assert.That(itm.CustomChoice, Is.EqualTo(TheChoice.Choice3)); }