public void TestSerialization()
        {
            DataInfo x1 = new DataInfo(ColumnOrigins.Observation, AuxiliaryType.ArithmeticStdDev, "cm", new DateTime(2010, 10, 22), "Study1", "Dog", 2.4);

            x1.ExtendedProperties.Add(new ExtendedProperty <int>()
            {
                Name = "Age", Value = 34
            });
            DataInfo x2 = SerializeAndDeserialize(x1);

            AssertForSpecs.AreEqualMcDataInfo(x1, x2);
        }