improve error output in test case
improve error output in test case

slonik-az/cython,andreasvc/cython,hickford/cython,mcanthony/cython,andreasvc/cython,marscher/cython,achernet/cython,c-blake/cython,JelleZijlstra/cython,c-blake/cython,marscher/cython,hickford/cython,encukou/cython,scoder/cython,fabianrost84/cython,cython/cython,JelleZijlstra/cython,c-blake/cython,fabianrost84/cython,slonik-az/cython,dahebolangkuan/cython,fperez/cython,ABcDexter/cython,da-woods/cython,da-woods/cython,scoder/cython,madjar/cython,mrGeen/cython,acrispin/cython,hhsprings/cython,ChristopherHogan/cython,dahebolangkuan/cython,ABcDexter/cython,fperez/cython,ABcDexter/cython,achernet/cython,acrispin/cython,acrispin/cython,acrispin/cython,achernet/cython,hhsprings/cython,hhsprings/cython,hickford/cython,fperez/cython,encukou/cython,JelleZijlstra/cython,marscher/cython,madjar/cython,cython/cython,c-blake/cython,ChristopherHogan/cython,roxyboy/cython,slonik-az/cython,andreasvc/cython,fperez/cython,mrGeen/cython,ABcDexter/cython,hickford/cython,mrGeen/cython,roxyboy/cython,dahebolangkuan/cython,fabianrost84/cython,marscher/cython,mcanthony/cython,dahebolangkuan/cython,JelleZijlstra/cython,cython/cython,fperez/cython,mcanthony/cython,da-woods/cython,hickford/cython,madjar/cython,scoder/cython,acrispin/cython,slonik-az/cython,andreasvc/cython,hhsprings/cython,mrGeen/cython,fabianrost84/cython,c-blake/cython,madjar/cython,dahebolangkuan/cython,scoder/cython,madjar/cython,mcanthony/cython,cython/cython,roxyboy/cython,achernet/cython,slonik-az/cython,JelleZijlstra/cython,da-woods/cython,achernet/cython,andreasvc/cython,mrGeen/cython,mcanthony/cython,roxyboy/cython,hhsprings/cython,fabianrost84/cython,ChristopherHogan/cython,encukou/cython,roxyboy/cython,marscher/cython,encukou/cython,encukou/cython,ABcDexter/cython