Add search_session unit test for search option from client cmd
Add search_session unit test for search option from client cmd

This patch is for search_session unit test with search option.
This query is from client cmd.

Change-Id: I7286610a652cc9552c26fb8b956846fc135f793f

openstack/freezer-api,openstack/freezer-api,openstack/freezer-api,openstack/freezer-api