Enable statsd support

Change-Id: I00b8aa4e59028a4c1098a3bae034e8d8ddfbe681
diff --git a/tests/test_nodes.vty b/tests/test_nodes.vty
index ee7885b..d90fa70 100644
--- a/tests/test_nodes.vty
+++ b/tests/test_nodes.vty
@@ -16,6 +16,10 @@
   show talloc-context (application|all) (full|brief|DEPTH)
   show talloc-context (application|all) (full|brief|DEPTH) tree ADDRESS
   show talloc-context (application|all) (full|brief|DEPTH) filter REGEXP
+  show stats
+  show stats level (global|peer|subscriber)
+  show asciidoc counters
+  show rate-counters
   show gsup-connections
   subscriber (imsi|msisdn|id|imei) IDENT show
   show subscriber (imsi|msisdn|id|imei) IDENT