I know the feeling, and posted almost exactly the same post several weeks ago when we were starting our own testing. We did private testing, mostly because of the time frame for public testing, and just received the results. I think you will find that the testing will bear out your impressions. It certainly did for us, and made us feel a lot better about trying to push the school to accomodate him a little better.
Good luck, and try your best to relax. And if she doesn't perform well on that day for some reason, then she can always be retested in the future.
