Any tests or challenges you encounter today should not frighten you! Relax and be confident about how you'll do. You are in complete control of your abilities, and the outcome is totally up to you. If you've done your homework, prepared to your best ability, and created a positive visualization of your success, then the outcome will be a very good one. Preparation is all you need to focus on, and it's not too late to get in some last-minute cramming!