msc_vty: support spaces in short/long network name

Change-Id: If55c92669f06f0d038e8d90088a6bd76133055a2
diff --git a/tests/test_nodes.vty b/tests/test_nodes.vty
index b8f0310..a1c4435 100644
--- a/tests/test_nodes.vty
+++ b/tests/test_nodes.vty
@@ -16,8 +16,8 @@
 ...
   network country code <1-999>
   mobile network code <0-999>
-  short name NAME
-  long name NAME
+  short name .NAME
+  long name .NAME
   encryption a5 <0-4> [<0-4>] [<0-4>] [<0-4>] [<0-4>]
   encryption uea <0-2> [<0-2>] [<0-2>]
   authentication (optional|required)