My civic has a backup camera that is pretty good. Kind of feels like cheating when reverse parking lol, only gripe is that I wish it could stay on the whole time not just when reversing.
I took my test in the minivan though which is a bit harder to drive. It took me a long time to learn to reverse park but eventually I got the feel of it. Hopefully you have that down by now. My advice would be to take your time, check your mirrors constantly, act confident, and come to a complete stop at a stop sign and look both ways. Can't go wrong.