Add test for correct behavior with dtypes
Add test for correct behavior with dtypes

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