images.testing: fix help-lint warnings.
images.testing: fix help-lint warnings.

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