Fix test_unicode_as_char test failure
Fix test_unicode_as_char test failure

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