build-support: test failed on mac somehow, add a timeout so it fails faster.
build-support: test failed on mac somehow, add a timeout so it fails faster.

bjourne/factor,sarvex/factor-lang,bpollack/factor,slavapestov/factor,AlexIljin/factor,dch/factor,sarvex/factor-lang,bjourne/factor,bjourne/factor,slavapestov/factor,AlexIljin/factor,nicolas-p/factor,sarvex/factor-lang,sarvex/factor-lang,mrjbq7/factor,dch/factor,AlexIljin/factor,slavapestov/factor,bpollack/factor,slavapestov/factor,mrjbq7/factor,factor/factor,slavapestov/factor,dch/factor,bjourne/factor,dch/factor,bpollack/factor,sarvex/factor-lang,AlexIljin/factor,factor/factor,bpollack/factor,tgunr/factor,nicolas-p/factor,nicolas-p/factor,factor/factor,tgunr/factor,nicolas-p/factor,AlexIljin/factor,tgunr/factor,bjourne/factor,AlexIljin/factor,dch/factor,nicolas-p/factor,nicolas-p/factor,bpollack/factor,dch/factor,mrjbq7/factor,slavapestov/factor,bpollack/factor,sarvex/factor-lang,tgunr/factor,tgunr/factor,bpollack/factor,nicolas-p/factor,factor/factor,mrjbq7/factor,slavapestov/factor,tgunr/factor,mrjbq7/factor,factor/factor,bjourne/factor,sarvex/factor-lang,factor/factor,AlexIljin/factor,bjourne/factor,mrjbq7/factor