What if you power off your computer while running a System extensive test on HP

[Samir16]

I want the answer from HP.What if you power off your computer while running a System extensive test on HP,right now I'm running HP recovery UEFI and I'm running a System extensive test.It takes a long time to finish and I want to end it but there is no button to end it will it affect if I power the computer off?

[Fanordi]

Hello, if you have problems with your computer, I recommend to you execute all the tests. What test is during a long time?? 

If your computer is blocked during few hours, you can power off it taping 30 seconds on the Power button.