Parametrized multi_tenancy to enable/disable authentication to Contrail API

Change-Id: I30ef75171a64e9212c4fb296298617316007d2a9
diff --git a/tests/pillar/control.sls b/tests/pillar/control.sls
index 37ffae9..453733f 100644
--- a/tests/pillar/control.sls
+++ b/tests/pillar/control.sls
@@ -14,6 +14,7 @@
   config:
     version: 2.2
     enabled: true
+    multi_tenancy: false
     network:
       engine: neutron
       host: 127.0.0.1