Fix test_spice for rbac policy access error

The below recent tempest change modified the test_spice
to use reader role to get remote console and console auth token,
where those APIs are member and admin user APIs.

- https://review.opendev.org/c/openstack/tempest/+/972060

Change-Id: I80e27f796cb8925b5dc4e1054f4f7a8576aa39b1
Signed-off-by: Ghanshyam Maan <gmaan@ghanshyammann.com>
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index d9c7352..45e117f 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -154,6 +154,7 @@
     experimental:
       jobs:
         - nova-multi-cell
+        - nova-alt-configurations
         - tempest-with-latest-microversion
         - tempest-full-oslo-master
         - tempest-stestr-master