Set image driver to noop in noop jobs

Change-Id: If6bd962aeafb2fee5b331e9c938c24bfa5488020
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index 38b2d04..9fb70f4 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -371,6 +371,7 @@
               amphora_driver: amphora_noop_driver
               compute_driver: compute_noop_driver
               network_driver: network_noop_driver
+              image_driver: image_noop_driver
             certificates:
               cert_manager: local_cert_manager
       devstack_services: