Redfish userid privilege tests
Redfish userid privilege tests

Added test scenario:
   - 1) Create a redfish user with admin privilege role and
        verify its successfully created
   - 2) Create a redfish user with operator privilege role and
        verify its successfully created
   - 3) Create a redfish user with user privilege role and
        verify its successfully created
   - 4) Create a redfish user with callback privilege role and
        verify its successfully created

Change-Id: I7678155625fed8743218be20ca2d7eb7bef9aa52
Signed-off-by: Sandhya Somashekar <b05e6d7472131b23ad07eb2225939de0d92fbd5d@in.ibm.com>
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation