update test to use osm. fixes #7867
update test to use osm. fixes #7867

MSeifert04/astropy,astropy/astropy,MSeifert04/astropy,stargaser/astropy,bsipocz/astropy,stargaser/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,mhvk/astropy,bsipocz/astropy,larrybradley/astropy,pllim/astropy,aleksandr-bakanov/astropy,bsipocz/astropy,astropy/astropy,pllim/astropy,saimn/astropy,lpsinger/astropy,StuartLittlefair/astropy,lpsinger/astropy,stargaser/astropy,larrybradley/astropy,pllim/astropy,stargaser/astropy,astropy/astropy,lpsinger/astropy,dhomeier/astropy,pllim/astropy,dhomeier/astropy,dhomeier/astropy,StuartLittlefair/astropy,saimn/astropy,astropy/astropy,aleksandr-bakanov/astropy,mhvk/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,MSeifert04/astropy,dhomeier/astropy,saimn/astropy,larrybradley/astropy,saimn/astropy,astropy/astropy,StuartLittlefair/astropy,lpsinger/astropy,dhomeier/astropy,bsipocz/astropy,lpsinger/astropy,saimn/astropy,mhvk/astropy,pllim/astropy,StuartLittlefair/astropy,mhvk/astropy,MSeifert04/astropy,mhvk/astropy