public void ElementClass()
{
var instance = new ElementClass(true, "1", 2, 3);
var roundtrip = instance.Roundtrip();
Assert.AreEqual(instance.Value1, roundtrip.Value1);
Assert.AreEqual(instance.Value2, roundtrip.Value2);
Assert.AreEqual(instance.Value3, roundtrip.Value3);
Assert.AreEqual(instance.Value4, roundtrip.Value4);
}