Roles: Assign role_id to user in test suite
Roles: Assign role_id to user in test suite

Now that the Role patch has been merged in DCI-CS we can assign roles to
our users in our test suites.

Change-Id: I5189598bcf47fb10f73ce0e726ca854577907b73
Depends-On: Id76266533534473ba2af798804daf46b56bba69b

redhat-cip/python-dciclient,redhat-cip/python-dciclient