Park your car in the testing area. Then you have to go inside to check in, there might be a different line for appointments. You'll have to show them your driving permit, car's registration and insurance. They might also ask the person who went with you for their license. After that, they'll give you a paper and tell you to put it on the windshield of your car and to sit there and wait for the instructor. After the test, the instructor will let you know if you passed or failed. They'll give you the test sheet and you then take it back inside and they'll give you your paper license.
__________________
Self filed AOS │Apps Received By USCIS - 3/18/19
│Biometrics Done - 4/11/19
Interview Scheduled - 4/24/19│Interview Date - 5/31/19│AOS Approval - 5/31/19
Permanent Resident Card Received - 6/8/19