public void DateTimeOffsetTypeConverterTests()
        {
            PrimitiveTypeConverter converter = new DateTimeOffsetTypeConverter();
            var offset = new DateTimeOffset(2010, 01, 01, 12, 30, 45, TimeSpan.FromMinutes(15));

            Assert.AreEqual(offset, converter.Parse("2010-01-01T12:30:45+00:15"));
            Assert.AreEqual("2010-01-01T12:30:45+00:15", converter.ToString(offset));
        }