Implemented bugfix for bug 1252989
Implemented bugfix for bug 1252989

I find bug after rebase my api unit tests to the latest master. We forgot
to add 'cfg.CONF.import('opt_name', 'climate.config')

Change-Id: I6c996c738bf3b2ae0b2c6d14beed424f99db4859
fixes: bug #1252989

frossigneux/blazar,stackforge/blazar,ChameleonCloud/blazar,frossigneux/blazar,ChameleonCloud/blazar,frossigneux/blazar,paramite/blazar,stackforge/blazar,openstack/blazar,paramite/blazar,openstack/blazar