public void AddMixinType()
        {
            _serializer.AddMixinType(typeof(DateTime));

            var deserializer = new AttributeMixinContextDeserializer(_serializer.Values);

            Assert.That(deserializer.GetMixinType(), Is.EqualTo(typeof(DateTime)));
        }
 public void GetMixinType_Invalid()
 {
     _invalidDeserializer.GetMixinType();
 }