TST: Add pandas to Windows build
TST: Add pandas to Windows build

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