gbproxy: Update config for IP BSS to use SNS

This reflects the more realistic use cases: IP-SNS is used on the BSS
side, where osmo-gbproxy then behaves in SGSN role.

Change-Id: I90bd101096979b170c38fa2a80abb80d296c4d2e
diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn
index d3c6df6..dcf72b0 100644
--- a/gbproxy/GBProxy_Tests.ttcn
+++ b/gbproxy/GBProxy_Tests.ttcn
@@ -134,7 +134,7 @@
 		{
 			nsei := 2001,
 			role_sgsn := false,
-			handle_sns := false,
+			handle_sns := true,
 			nsvc := {
 				{
 					provider := {
@@ -143,7 +143,7 @@
 							local_udp_port := 21010,
 							local_ip := "127.0.1.1",
 							remote_udp_port := 23000,
-							remote_ip := "127.0.0.1",
+							remote_ip := "127.0.0.2",
 							data_weight := 1,
 							signalling_weight := 1
 						}
@@ -155,7 +155,7 @@
 		{
 			nsei := 2002,
 			role_sgsn := false,
-			handle_sns := false,
+			handle_sns := true,
 			nsvc := {
 				{
 					provider := {
@@ -164,7 +164,7 @@
 							local_udp_port := 21020,
 							local_ip := "127.0.2.1",
 							remote_udp_port := 23000,
-							remote_ip := "127.0.0.1",
+							remote_ip := "127.0.0.2",
 							data_weight := 1,
 							signalling_weight := 1
 						}
@@ -176,7 +176,7 @@
 		{
 			nsei := 2003,
 			role_sgsn := false,
-			handle_sns := false,
+			handle_sns := true,
 			nsvc := {
 				{
 					provider := {
@@ -185,7 +185,7 @@
 							local_udp_port := 21030,
 							local_ip := "127.0.3.1",
 							remote_udp_port := 23000,
-							remote_ip := "127.0.0.1",
+							remote_ip := "127.0.0.2",
 							data_weight := 1,
 							signalling_weight := 1
 						}