Pulp

Description of problem:
If you use an repo-id that is not bound to the consumer group, the error message displayed is wrong.

Version-Release number of selected component (if applicable):
[root@hp-dl380pgen8-02-vm-2 ~]# rpm -qa pulp-server
pulp-server-2.5.0-0.19.rc.el7.noarch

How reproducible:

Steps to Reproduce:
1.create a consumer group
2.add consumers to the group
3.try to unbind a repo that is not bound to the consumer group

Actual results:

[root@hp-dl380pgen8-02-vm-2 ~]# rpm -qa pulp-server
pulp-server-2.5.0-0.19.rc.el7.noarch
[root@hp-dl380pgen8-02-vm-2 ~]#
[root@hp-dl380pgen8-02-vm-2 ~]#
[root@hp-dl380pgen8-02-vm-2 ~]# pulp-admin rpm consumer group members list --group-id grp1
----------------------------------------------------------------------
Consumer Group Members
--------------------------------------------------------------------

Id: client1
Display Name: client1
Description: None
Notes:

[root@hp-dl380pgen8-02-vm-2 ~]# pulp-admin rpm consumer group list
--------------------------------------------------------------------
Consumer Groups
--------------------------------------------------------------------

Id: grp1
Display Name: None
Description: None
Consumer Ids: client1
Notes:

[root@hp-dl380pgen8-02-vm-2 ~]# pulp-admin rpm consumer group unbind --consumer-group-id grp1 --repo-id rhel7-client
Consumer Group [grp1] does not exist on the server

Expected results:

Additional info:

+ This bug was cloned from Bugzilla Bug #1165323 +