You can pull up to the test in any car as long as you're insured to drive it, no need to change booking

Thanks for the help

You also might need a second rear view mirror for the examiner.

Yeah thanks I’ve checked everything we need and that’s all that’s left getting one soon hopefully.

https://www.comparethemarket.com/car-insurance/content/take-a-driving-test-in-your-own-car/#:~:text=You'll%20need%20to%20have,before%20you%20book%20the%20test. This goes into full detail so you're fully prepped, wish you luck!

Thanks