fix sgsn and hnbgw test issue introduced in 49888a65dcf1f8d94411aa0724530b8c188c3237

ranops was not isvalue because bssap_reset_retries was not set and not
explicitly omitted either, so the ran adapter decided not to create a
ran emulation...

Change-Id: Ib2d3f1fbcfbd53af1e627bd2cf36c3153fa7d012
diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 981e924..5238068 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -457,6 +457,7 @@
 	protocol := RAN_PROTOCOL_RANAP,
 	transport := RANAP_TRANSPORT_IuCS,
 	use_osmux := false,
+	bssap_reset_retries := 1,
 	sccp_addr_local := omit,
 	sccp_addr_peer := omit
 };