public void ToXml_Is_Correct() { var symbol = new PictureMarkerSymbol(); symbol.Name = "SuperMarket"; symbol.Scale = 1.1; symbol.IconUri = "http://www.basketbalnieuws.nl/kml/supermarket.png"; XElement xml = symbol.ToKml(); xml.Should().HaveAttribute("id", "supermarket") .And.HaveElement("IconStyle"); }