Run tests even if yaml is available
Run tests even if yaml is available

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