Description of problem:
Adding user roles (by role name) together with adding user itself doesn't seem to work -- role seems to be not assigned.

Version-Release number of selected component (if applicable):
rhevm ic154.1

How reproducible:


Steps to Reproduce:
1. Post POST that adds user and assigns his role.
2. Observe the results.
  
Actual results:
role seems to be not assigned

Expected results:
role is assigned


Additional info:
2012-04-12 14:55:22,824 - MainThread - utils.test_runner - INFO - Running command: testStatus = addUser(ovirtsdk_backend, 'TRUE', user_name='osapir', domain='rhev.lab.eng.brq.redhat.com', groups='RDP-Group.eng.brq.redhat.com/QA-All-Users', role='UserRole')
2012-04-12 14:55:22,833 - MainThread - ovirtsdk_backendovirtsdk_backend - DEBUG - http request, conn: <ovirtsdk.web.connection.Connection object at 0x7fce61efecd0>
2012-04-12 14:55:22,833 - MainThread - ovirtsdk_backendovirtsdk_backend - DEBUG - method: POST url: /api/users
2012-04-12 14:55:22,833 - MainThread - ovirtsdk_backendovirtsdk_backend - DEBUG - headers: {}
2012-04-12 14:55:22,833 - MainThread - ovirtsdk_backendovirtsdk_backend - DEBUG - body:
<user>
    <name>osapir</name>
    <user_name>osapir.eng.brq.redhat.com</user_name>
    <roles>
        <role>
            <name>UserRole</name>
        </role>
    </roles>
    <groups>
        <group>
            <name>RDP-Group.eng.brq.redhat.com/QA-All-Users</name>
        </group>
    </groups>
</user>

curl https://jh-rhsetup.rhev.lab.eng.brq.redhat.com:8443/api/users/735fad3d-f56d-4612-a4d9-854104d13923/roles --basic -u *@* -k
Enter host password for user '*@*':
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<roles/>



`--> ssh jh-rh tail -fn0 /var/log/rhevm/rhevm.log | tee /tmp/logs/rhevm.log
2012-04-12 14:55:22,611 INFO  [org.ovirt.engine.core.bll.LoginAdminUserCommand] (http-0.0.0.0-8443-1) Running command: LoginAdminUserCommand internal: false.
2012-04-12 14:55:22,628 INFO  [org.ovirt.engine.core.bll.LogoutUserCommand] (http-0.0.0.0-8443-1) Running command: LogoutUserCommand internal: false.
2012-04-12 14:55:22,786 INFO  [org.ovirt.engine.core.bll.LoginAdminUserCommand] (http-0.0.0.0-8443-21) Running command: LoginAdminUserCommand internal: false.
2012-04-12 14:55:22,801 INFO  [org.ovirt.engine.core.bll.LogoutUserCommand] (http-0.0.0.0-8443-21) Running command: LogoutUserCommand internal: false.
2012-04-12 14:55:23,021 INFO  [org.ovirt.engine.core.bll.LoginAdminUserCommand] (http-0.0.0.0-8443-21) Running command: LoginAdminUserCommand internal: false.
2012-04-12 14:55:23,109 INFO  [org.ovirt.engine.core.bll.AddUserCommand] (http-0.0.0.0-8443-21) Running command: AddUserCommand internal: false. Entities affected :  ID: aaa00000-0000-0000-0000-123456789aaa Type: System
2012-04-12 14:55:23,129 INFO  [org.ovirt.engine.core.bll.LogoutUserCommand] (http-0.0.0.0-8443-21) Running command: LogoutUserCommand internal: false.
^CKilled by signal 2.