add test cases to svg to cover recent breakage
add test cases to svg to cover recent breakage

nicolas-p/factor,cataska/factor,erg/factor,mrjbq7/factor,mcandre/factor,mcandre/factor,bpollack/factor,bpollack/factor,mcandre/factor,AlexIljin/factor,factor/factor,ceninan/factor,nicolas-p/factor,jwmerrill/factor,sarvex/factor-lang,cataska/factor,dch/factor,erg/factor,kingcons/factor,slavapestov/factor,slavapestov/factor,tgunr/factor,erg/factor,nicolas-p/factor,factor/factor,slavapestov/factor,erg/factor,littledan/Factor,ceninan/factor,AlexIljin/factor,factor/factor,nicolas-p/factor,cataska/factor,factor/factor,nicolas-p/factor,tgunr/factor,sarvex/factor-lang,bjourne/factor,seckar/factor,tgunr/factor,Keyholder/factor,bjourne/factor,kingcons/factor,bjourne/factor,erg/factor,jwmerrill/factor,bjourne/factor,AlexIljin/factor,slavapestov/factor,mrjbq7/factor,littledan/Factor,dch/factor,kingcons/factor,Keyholder/factor,bpollack/factor,sarvex/factor-lang,mrjbq7/factor,mcandre/factor,bjourne/factor,sarvex/factor-lang,nicolas-p/factor,Keyholder/factor,kingcons/factor,dch/factor,mrjbq7/factor,factor/factor,slavapestov/factor,erg/factor,littledan/Factor,mrjbq7/factor,sarvex/factor-lang,AlexIljin/factor,erg/factor,bpollack/factor,ehird/factor,sarvex/factor-lang,dch/factor,slavapestov/factor,ehird/factor,AlexIljin/factor,ehird/factor,bjourne/factor,tgunr/factor,seckar/factor,mcandre/factor,dch/factor,mrjbq7/factor,bpollack/factor,seckar/factor,AlexIljin/factor,sarvex/factor-lang,jwmerrill/factor,dch/factor,bpollack/factor,factor/factor,mcandre/factor,tgunr/factor,bjourne/factor,AlexIljin/factor,nicolas-p/factor,bpollack/factor,tgunr/factor,cataska/factor,ceninan/factor,mcandre/factor,littledan/Factor,slavapestov/factor,ceninan/factor