I ran it for 20+ hrs so it should work..
You got lucky.
Out of 6 bots i currently run 2/6 ran for 20hours.
4 died/got stuck anywhere ranging from 1 - 6 hours in.
Evil bob breaks somtimes, doesnt interact with anybody.
Surprise exam doesnt leave the event after completing.
Still have running away from combat bugs, currently having problems with it while fishing at the Fishing guild.