Yep, the squats are going to make you tired. But your fatigue doesn't mean that you should do anything lighter or complete fewer reps than what's prescribed. I put this program together because I believe in its efficacy. If you've been following the program exactly, you should feel really excited and confident about your performance next week.
PH3: Layne Norton's Power And Hypertrophy Trainer, Day 83
This is it: the last real training session before you test. If that simple fact doesn't motivate you to destroy this workout, I don't know what will.
Day 83: Squat, leg hypertrophy