Add initial TTCN3 test for GbProxy

The first testcase, TC_BVC_bringup just waits for NS/BSSGP Emulation to
do their thing. If nothing fails there then we pass.

Related: SYS#5002
Change-Id: Ib3dc05fe5598b53e963ca863968e387cc36b9de3
diff --git a/gbproxy/osmo-gbproxy.cfg b/gbproxy/osmo-gbproxy.cfg
new file mode 100644
index 0000000..350ddf5
--- /dev/null
+++ b/gbproxy/osmo-gbproxy.cfg
@@ -0,0 +1,25 @@
+!
+! Osmocom Gb Proxy (0.9.0.404-6463) configuration saved from vty
+!!
+!
+line vty
+ no login
+!
+gbproxy
+ sgsn nsei 101
+ns
+ nse 101 nsvci 101
+ nse 101 remote-role sgsn
+ nse 101 encapsulation udp
+ nse 101 remote-ip 127.0.0.1
+ nse 101 remote-port 7777
+ timer tns-block 3
+ timer tns-block-retries 3
+ timer tns-reset 3
+ timer tns-reset-retries 3
+ timer tns-test 30
+ timer tns-alive 3
+ timer tns-alive-retries 10
+ encapsulation udp local-ip 127.0.0.1
+ encapsulation udp local-port 23000
+ encapsulation framerelay-gre enabled 0