Updating built-in pytest script to stable release 2.2.4.
Updating built-in pytest script to stable release 2.2.4.

MSeifert04/astropy,funbaker/astropy,saimn/astropy,AustereCuriosity/astropy,tbabej/astropy,tbabej/astropy,pllim/astropy,dhomeier/astropy,joergdietrich/astropy,aleksandr-bakanov/astropy,DougBurke/astropy,DougBurke/astropy,tbabej/astropy,saimn/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,joergdietrich/astropy,StuartLittlefair/astropy,kelle/astropy,mhvk/astropy,funbaker/astropy,kelle/astropy,kelle/astropy,lpsinger/astropy,MSeifert04/astropy,larrybradley/astropy,MSeifert04/astropy,aleksandr-bakanov/astropy,bsipocz/astropy,mhvk/astropy,larrybradley/astropy,kelle/astropy,lpsinger/astropy,pllim/astropy,dhomeier/astropy,larrybradley/astropy,pllim/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,joergdietrich/astropy,tbabej/astropy,dhomeier/astropy,dhomeier/astropy,lpsinger/astropy,saimn/astropy,pllim/astropy,StuartLittlefair/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,funbaker/astropy,DougBurke/astropy,joergdietrich/astropy,AustereCuriosity/astropy,astropy/astropy,lpsinger/astropy,joergdietrich/astropy,astropy/astropy,stargaser/astropy,stargaser/astropy,larrybradley/astropy,AustereCuriosity/astropy,larrybradley/astropy,stargaser/astropy,bsipocz/astropy,astropy/astropy,saimn/astropy,kelle/astropy,stargaser/astropy,AustereCuriosity/astropy,saimn/astropy,astropy/astropy,MSeifert04/astropy,mhvk/astropy,mhvk/astropy,tbabej/astropy,bsipocz/astropy,StuartLittlefair/astropy,funbaker/astropy,pllim/astropy,StuartLittlefair/astropy,bsipocz/astropy,DougBurke/astropy,astropy/astropy,mhvk/astropy