adding the console-runtest helper as discussed on py-dev
adding the console-runtest helper as discussed on py-dev

--HG--
branch : trunk

Magicjarvis/py,The-Compiler/pytest,MichaelAquilina/pytest,wfxiang08/pytest,nicoddemus/repo-test,alfredodeza/pytest,untitaker/pytest,oleg-alexandrov/pytest,nicoddemus/repo-test,etataurov/pytest,nicoddemus/pytest,mdboom/pytest,takluyver/pytest,omarkohl/pytest,vodik/pytest,tareqalayan/pytest,ddboline/pytest,hpk42/pytest,chillbear/pytest,gabrielcnr/pytest,mdboom/pytest,userzimmermann/pytest,inirudebwoy/pytest,pytest-dev/pytest,nicoddemus/pytest,MengJueM/pytest,JonathonSonesen/pytest,icemac/pytest,jaraco/pytest,tomviner/pytest,chiller/pytest,bubenkoff/pytest,icemac/pytest,Bjwebb/pytest,skylarjhdownes/pytest,Carreau/pytest,bukzor/pytest,JonathonSonesen/pytest,hackebrot/pytest,pytest-dev/py,txomon/pytest,rouge8/pytest,ojake/pytest,Akasurde/pytest,Bachmann1234/pytest,Haibo-Wang-ORG/pytest,mhils/pytest,hunse/pytest,ericdill/pytest,mbirtwell/pytest,doordash/pytest,bukzor/pytest,pfctdayelise/pytest,gabrielcnr/pytest,malinoff/pytest,vodik/pytest,inirudebwoy/pytest,userzimmermann/pytest,ericdill/pytest,pelme/pytest,jb098/pytest,mhils/pytest,MengJueM/pytest,jb098/pytest,codewarrior0/pytest,ropez/pytest,omarkohl/pytest,bubenkoff/pytest,doordash/pytest,rmfitzpatrick/pytest,vmalloc/dessert,takluyver/pytest,Bachmann1234/pytest,untitaker/pytest,ojake/pytest,davidszotten/pytest,ionelmc/pytest,chillbear/pytest,markshao/pytest,hunse/pytest,flub/pytest,ghostsquad/pytest,Carreau/pytest,wfxiang08/pytest,hpk42/pytest,Bjwebb/pytest,mbirtwell/pytest,abusalimov/pytest,The-Compiler/pytest,ghostsquad/pytest,tomviner/pytest,pelme/pytest,lukas-bednar/pytest,oleg-alexandrov/pytest,rouge8/pytest,ropez/pytest,ionelmc/pytest,eli-b/pytest,chiller/pytest,Haibo-Wang-ORG/pytest,lukas-bednar/pytest,abusalimov/pytest,tgoodlet/pytest,RonnyPfannschmidt/pytest,codewarrior0/pytest