My question involves criminal law for the state of: troy, michigan

Ok i got caught shoplifting 200 dollars worth of things at macys it was 1 sweater and 1 t shirt on september 15 i was arainged in november and stood mute i have a good lawyer and i have a pretrial on the 14 15 or 16th of december and i just quit smoking and im worried i will be tested i was just wondering if it is ussual that they test shoplifters and whats the worst that can happen if i i drop dirty in my first test

PS. my judge is bolle and i would ask my lawyer but he is a family friend and it would feel uncomfortable asking him and i am 17 years old and a first time offender thanks in advance for advice and help