fix typo in test
fix typo in test

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