Updated tests to exercise Quantity.isscalar
Updated tests to exercise Quantity.isscalar

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