Reenable the Cinder test job, it's decoupled from the Juju one now

I used the Cinder repo to test the Juju job since I was too lazy to
actually create the charm-cinder-storpool-iscsi repo... so fix that.

Change-Id: I6ce52a4680c48dc7753e6a418abc6db19da9fe7f
1 file changed