If you are going to require a programming test, be prepared to evaluate it. I agree. It is possible the reviewer didn't think your code would run, couldn't get

If you are going to require a programming test, be prepared to evaluate it. I agree. It is possible the reviewer didn't think your code would run, couldn't get it to compile, etc. But, nevertheless, you should have received a fuller response than that. If I were still COO at ITA, I would ask someone to look into your particular case to understand what happened.