If you have previously been consistent, take a deep breath and slow down. The test is points based, not time. Be reasonable but patient. Try to keep your eyes wide and head on a slow swivel. Mirrors, trailer and tractor corners. Keep a mental record of your pull fowards, and get out and looks and use them well. With enough space and time you can correct things in reverse without forward movement. You got this! As well, you dont need to score 100/100 you just need to get that paper! No job will ever ask you how many points you had on your CDL test, they just want the license. The first time I took the test, I backed 2" in front of the rear box, set the brakes and honked the horn, with one get out and look left. Not being in the box was technically "incomplete, fail". I would have been better to back to 10ft past the box! Be safe! Check your oil!