Fix regression test for io.votable.validate
Fix regression test for io.votable.validate

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