Description of problem:

commands
system remove_from_groups
system add_to_groups
return no output when you specify --system which does not exist


Version-Release number of selected component (if applicable):
katello-1.4.2-18.el6sat.noarch
katello-candlepin-cert-key-pair-1.0-1.noarch
katello-agent-1.4.3-1.git.1.24fe511.el6.noarch
katello-certs-tools-1.4.2-2.el6sat.noarch
katello-configure-1.4.3-16.el6sat.noarch
katello-glue-pulp-1.4.2-18.el6sat.noarch
katello-all-1.4.2-18.el6sat.noarch
katello-cli-common-1.4.2-8.el6sat.noarch
ruby193-rubygem-foreman-katello-engine-0.0.8-6.el6sat.noarch
signo-katello-0.0.19-1.el6sat.noarch
katello-glue-elasticsearch-1.4.2-18.el6sat.noarch
katello-configure-foreman-1.4.3-16.el6sat.noarch
katello-foreman-all-1.4.2-18.el6sat.noarch
katello-qpid-client-key-pair-1.0-1.noarch
katello-cli-1.4.2-8.el6sat.noarch
ruby193-rubygem-katello_api-0.0.3-2.el6_4.noarch
katello-common-1.4.2-18.el6sat.noarch
katello-selinux-1.4.3-3.el6sat.noarch
katello-glue-candlepin-1.4.2-18.el6sat.noarch
ruby193-rubygem-katello-foreman-engine-0.0.3-6.el6sat.noarch
katello-qpid-broker-key-pair-1.0-1.noarch

How reproducible:
always

Steps to Reproduce:
1. system remove_from_groups --org ACME_Corporation --name foo-system --system_groups group
2. system add_to_groups --org ACME_Corporation --name foo-system --system_groups group

Actual results:


Expected results:


Additional info: