Fix service_get_log tests
Fix service_get_log tests

Regarding Elod's comment in 924f3a4fa8d84c4d82151888dbbf51d665d4d860 the
tests seem to be invalid and need to be updated.

Change-Id: I633e67efa4869816786011c3d093dc81e177010c

openstack/cinder,mahak/cinder,mahak/cinder,openstack/cinder