fix test runner to correctly load the unit tests from CPython's regression test suite
fix test runner to correctly load the unit tests from CPython's regression test suite

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