TST: Fix error message regex due to upstream change
TST: Fix error message regex due to upstream change

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