public void AddTest()
        {
            var p = new KeyValueProperty();

            p.Add("primitive", "box");
            p.Add("width", 1);
            var expected = "primitive: box; width: 1";

            Assert.AreEqual(expected, p.MakeString());
        }
        public void EmptyTest()
        {
            var w = new KeyValueProperty();

            Assert.AreEqual("", w.MakeString());
        }