io.monitors: change tests to not use unique because it only ever used temp-file.
io.monitors: change tests to not use unique because it only ever used temp-file.

bjourne/factor,mrjbq7/factor,AlexIljin/factor,nicolas-p/factor,nicolas-p/factor,tgunr/factor,AlexIljin/factor,factor/factor,tgunr/factor,AlexIljin/factor,nicolas-p/factor,bjourne/factor,nicolas-p/factor,mrjbq7/factor,factor/factor,nicolas-p/factor,mrjbq7/factor,AlexIljin/factor,bpollack/factor,mrjbq7/factor,nicolas-p/factor,bjourne/factor,factor/factor,tgunr/factor,bjourne/factor,tgunr/factor,tgunr/factor,bjourne/factor,bpollack/factor,bpollack/factor,tgunr/factor,bjourne/factor,bpollack/factor,bjourne/factor,AlexIljin/factor,factor/factor,AlexIljin/factor,mrjbq7/factor,bpollack/factor,AlexIljin/factor,bpollack/factor,bpollack/factor,nicolas-p/factor,mrjbq7/factor,factor/factor,factor/factor