Explicitly catch warnings in test_wcs_keywords_removed_from_header
Explicitly catch warnings in test_wcs_keywords_removed_from_header

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