adding test for table.unique
adding test for table.unique

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