Add missed cluster vars

Without next vars int tests are failed with undefined error

* cluster_domain
* cluster_name

Change-Id: I9c974c79029f798fa288af8dee475ab96d83773c
diff --git a/classes/cluster/virtual-mcp-pike-ovs/init.yml b/classes/cluster/virtual-mcp-pike-ovs/init.yml
index 551a911..3083cdd 100644
--- a/classes/cluster/virtual-mcp-pike-ovs/init.yml
+++ b/classes/cluster/virtual-mcp-pike-ovs/init.yml
@@ -10,6 +10,8 @@
 - cluster.overrides
 parameters:
   _param:
+    cluster_domain: virtual-mcp-pike-ovs.local
+    cluster_name: virtual-mcp-pike-ovs
     infra_config_hostname: cfg01
     infra_config_address: 172.16.10.100
   salt: