Absolutely - It's required by the NEC and the manufacturer. I always ask for the engineers spec on where he wants the trip point, I witness the performance test as administered by the company performing the test and then sign the document that goes on record as compliance with 230.95(C).
For the record, pushing the Test button on the equipment is not acceptable as the "Performance Test"
In my career as an inspector (25 years) I have had 2 systems that did not past the first time.
