Without getting into the house rules of whstever system was being used, from a 5e perspective, a roll for checking traps like that situation does not by any means have to be inconsequential. Setbacks can occur on any failed ability check.But Briggs could have just check again until rolling high right?
If that is the case why not just have Briggs succeed instead of grinding the game to a halt to make inconsequential rolls.
From what I've been reading on message boards people call for far too many ability checks in their games.
To me, it is rare for a case like this that I would not allow a roll on the initial effort and then see what comes out of it.