don't use setverdict(inconc) anymore.  Use 'fail' at all times

The problem is that Junit-XML doesn't have a mapping for inconclusive
results, and hence they show up as 'passed'.

By introducing this change, we make sure all tests that don't pass
show up as failed.

Change-Id: Iddd13d0055c91f9bd304ce9833fba0485abf4c4e
diff --git a/bsc-nat/MSC_ConnectionHandler.ttcn b/bsc-nat/MSC_ConnectionHandler.ttcn
index 0a06759..102869c 100644
--- a/bsc-nat/MSC_ConnectionHandler.ttcn
+++ b/bsc-nat/MSC_ConnectionHandler.ttcn
@@ -146,7 +146,7 @@
 		/* Guard timer has expired, close connection */
 		[] T.timeout {
 			BSSAP.send(BSSAP_Conn_Prim:MSC_CONN_PRIM_DISC_REQ);
-			setverdict(inconc);
+			setverdict(fail, "Timeout of guard timer");
 			self.stop;
 			}