Add test for unshelve in the conductor API
Add test for unshelve in the conductor API

Commit d47e659b9d8a365ad0e2261eb593e6ee3e5fab4f was missing an UT.

Change-Id: I2efe052a8a7ee92d87fc7746561793345d32ed4f

cyx1231st/nova,mahak/nova,jianghuaw/nova,rahulunair/nova,sebrandon1/nova,vmturbo/nova,NeCTAR-RC/nova,jianghuaw/nova,hanlind/nova,cernops/nova,sebrandon1/nova,Juniper/nova,phenoxim/nova,bigswitch/nova,mahak/nova,vmturbo/nova,gooddata/openstack-nova,rajalokan/nova,cyx1231st/nova,cloudbase/nova,cloudbase/nova,CEG-FYP-OpenStack/scheduler,klmitch/nova,zhimin711/nova,Juniper/nova,hanlind/nova,rajalokan/nova,Juniper/nova,phenoxim/nova,rahulunair/nova,jianghuaw/nova,Juniper/nova,CEG-FYP-OpenStack/scheduler,mahak/nova,NeCTAR-RC/nova,gooddata/openstack-nova,vmturbo/nova,BeyondTheClouds/nova,openstack/nova,rajalokan/nova,BeyondTheClouds/nova,vmturbo/nova,mikalstill/nova,hanlind/nova,cernops/nova,gooddata/openstack-nova,zhimin711/nova,klmitch/nova,openstack/nova,bigswitch/nova,alaski/nova,jianghuaw/nova,rahulunair/nova,mikalstill/nova,cernops/nova,alaski/nova,openstack/nova,BeyondTheClouds/nova,cloudbase/nova,klmitch/nova,gooddata/openstack-nova,klmitch/nova,sebrandon1/nova,rajalokan/nova,mikalstill/nova