Enable ssl for contrail deployments

Change-Id: I844880d00449b50bf85a30647b3fdc69fc93ba76
Closes-bug: PROD-29221 (PROD:29221)
diff --git a/tests/pillar/vrouter40.sls b/tests/pillar/vrouter40.sls
index e1ebc84..a810b82 100644
--- a/tests/pillar/vrouter40.sls
+++ b/tests/pillar/vrouter40.sls
@@ -3,6 +3,7 @@
     version: 4.0
     identity:
       engine: keystone
+      protocol: http
       host: 127.0.0.1
       port: 35357
       token: token