public void TestConvertFromValidStringToObjectId()
        {
            var s = "0102030405060708090a0b0c";
            var expected = new ObjectId(s);
            var converter = new ObjectIdConverter();

            var res = converter.ConvertFrom(s);

            Assert.AreEqual(typeof(ObjectId), res.GetType());
            Assert.AreEqual(expected, res);
        }