DUI in Pennsylvania on ARD

I got a dui and live in the state of Pennsylvania. I was sentenced to 6 months of probation on ARD and am not subject to random drug tests. However, I have my drug and alcohol evaluation in 9 days, and my probation officer said they may or may not drug test me.

The issue with that is I’m almost certain I will come up positive for using thc, as I’ve been using delta 8 thc.

Sooo what kind of situation am I in right now? Is there a strong likelihood I will be drug tested? And if yes, how much trouble could I get myself in for showing up thc positive? Also, I wanted to mention that the time between my sentencing and my drug/alcohol evaluation is less than 30 days… not sure if that would help my case whatsoever but I felt that was worth mentioning.

Thanks