Not sure what's going on , I wanted to buy a battery or alternator but the young lady says they can't test my battery or alternator? But that is advertised in the front of store ? I'm baffled and wast

Bree is very nice I had to pick up a part at St Pete store and she gave me a 25% discount and after all that the dealer servicing my truck put a new part in for free so I returned unused part with no