Add opencontrail test role

Change-Id: I885d9b6de3bf96d7fa287da1d6dc3368ea924eaa
diff --git a/classes/cluster/os-ha-contrail/infra/config.yml b/classes/cluster/os-ha-contrail/infra/config.yml
index 2b04e1f..c3e9ea2 100755
--- a/classes/cluster/os-ha-contrail/infra/config.yml
+++ b/classes/cluster/os-ha-contrail/infra/config.yml
@@ -1,5 +1,6 @@
 classes:
 - service.git.client
+- service.opencontrail.test.single
 - system.linux.system.single
 - system.linux.system.repo.mcp.salt
 - system.linux.system.repo.mcp.openstack