Add search_job unit test for search option from freezer client cmd
Add search_job unit test for search option from freezer client cmd

1. This patch is for job_search unit test with search option.
This query is from freezer client cmd. Its search option has "_all".

Change-Id: If38333cbc85da50f4d772fdff41ae58e12933db9

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