test/aws/tasks: Properly retry task on command failure
test/aws/tasks: Properly retry task on command failure

Retry the task if rc != 0 and if no 'items' are returned.
The task was failing on the first exection and would not retry if
the command module failed.

akram/openshift-ansible,akram/openshift-ansible,rhdedgar/openshift-ansible,rhdedgar/openshift-ansible,openshift/openshift-ansible,openshift/openshift-ansible