CAIA Madrid test centre experience - pls, share

Dear candidates or charterholders who have an experience writing CAIA exam in Madrid, could you please share some general information about test center, the quickest way to get there, some snack option (or I should find somewhere takeaway meal) and etc what would be useful in exam day.

As my current employer doesn’t support any designation and I can’t pass in Moscow, Russia. I chose Madrid as exam location. My flight is arriving around midnight and next morning is exam day. I know that it’s not best practice, but it’s what I have. So I can’t check any information myself.

I would be very much appreciated for any advice and idea.