On the one hand, I severely doubt Japanese bureaucrats are that unknowledgeable concerning the importance of mental health, on the other hand, it is at least believable for this to occur assuming enough people were retarded concerning how they treated a social animal.
I'm surprised they haven't requested her to turn off her translation magic so they can record her local language. Had her write down anything to test if the translation magic applies to that, or if not, have physical recordings of the language. No testing of her math skills to gain an understanding of at least her level of understanding concerning mathematics. Or even had her interviewed for any of the principles of magic, which she should very obviously understand the basics of if she can say "I'm no mage, but I can do X"