public void ConvertIndexed()
{
var layer = new Layer(_image, "test", ImageType.Rgb);
_image.InsertLayer(layer, 0);
_image.ConvertIndexed(ConvertDitherType.No, ConvertPaletteType.Web,
0, false, false, "");
// Fixe me: next assert fails!
Assert.IsTrue(_image.BaseType == ImageBaseType.Indexed);
}