Fix broken combination of pytest.raises and simplefilter in wcs test
Fix broken combination of pytest.raises and simplefilter in wcs test

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