public void ActiveValue_CanObserve()
{
var palette = new ColorPalette();
var entry = palette.AddEntry();
var value = palette.GetActiveValue(entry.Id);
var color = Color.black;
var disposable = value.Subscribe(x => color = x);
entry.Values.First().Value.Value = Color.cyan;
Assert.That(color, Is.EqualTo(Color.cyan));
disposable.Dispose();
}
