public void MPT_DynamicProperties_GetOrDefault()
{
var user = new TestUser();
var value = user.GetDynamicPropertyOrDefault("DN", "HAHA");
Assert.AreEqual("HAHA", value);
user.SetDynamicProperty("DN", "Value2");
value = user.GetDynamicPropertyOrDefault("DN", "HAHA");
Assert.AreEqual("Value2", value);
}