fix code coverage badge
fix code coverage badge

manuelfelipe/rsc,dylanmei/rsc,rgeyer/rsc,rightscale/rsc,rgeyer/rsc,dylanmei/rsc,rightscale/rsc,manuelfelipe/rsc,lopaka/rsc,manuelfelipe/rsc,lopaka/rsc,dylanmei/rsc,lopaka/rsc,manuelfelipe/rsc,rgeyer/rsc,rightscale/rsc,dylanmei/rsc,lopaka/rsc,rightscale/rsc,rgeyer/rsc,dylanmei/rsc,rightscale/rsc,rgeyer/rsc,lopaka/rsc,manuelfelipe/rsc