Do dispensaries typically have prospective employees shadow prior to employment?

I had two interviews with a dispensary for an inventory position, now I’m going in to shadow for a few hours. They didn’t say I’m hired and didn’t mention it being paid. Is this typical of dispensaries? I went on another interview with a different dispensary and they basically had me shadow without telling me so, then never called me after. So strange 😭 I never had to do this working in education (where shadowing should be done!) so I’m just surprised by this and kinda worried I’ll do all this not to receive a call back.