Refactor tls certs for xmpp

Related: PROD-23929 (PROD:23929)

Change-Id: I5008c93b65fa42c8198e0e064aad4c738305cc44
diff --git a/tests/pillar/vrouter3.sls b/tests/pillar/vrouter3.sls
index 807b510..fbf2550 100644
--- a/tests/pillar/vrouter3.sls
+++ b/tests/pillar/vrouter3.sls
@@ -48,3 +48,11 @@
           user: admin
           password: "supersecretpassword123"
           tenant: admin
+    xmpp:
+      tls:
+        enabled: True
+        auth:
+          enabled: True
+        cert_file: /etc/contrail/server.pem
+        key_file: /etc/contrail/privkey.pem
+        ca_cert_file: /etc/contrail/ca-cert.pem
\ No newline at end of file