Handle Savanna service availability in tempest

Change-Id: I51300304655803f114d3bb911086cd88aa09638f
diff --git a/lib/tempest b/lib/tempest
index fca3884..f3578b1 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -300,7 +300,7 @@
     iniset $TEMPEST_CONF cli cli_dir $NOVA_BIN_DIR
 
     # service_available
-    for service in nova cinder glance neutron swift heat horizon ceilometer ironic; do
+    for service in nova cinder glance neutron swift heat horizon ceilometer ironic savanna; do
         if is_service_enabled $service ; then
             iniset $TEMPEST_CONF service_available $service "True"
         else