Add search_client unit test for search option from client api
Add search_client unit test for search option from client api

This patch is for client_search unit test with search option.
This query is from client api.

Change-Id: I835ff8d5174df056007b1fc28cd2b7e28bcc8676

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