Add test for missing AWS credentials
Add test for missing AWS credentials

bacongobbler/confd,rancher/confd,rancher/confd,Fitbit/confd,okushchenko/confd,bacongobbler/confd,blippar/confd,blippar/confd,kelseyhightower/confd,Fitbit/confd,okushchenko/confd,kelseyhightower/confd