gbproy/ns: Make components alive

Might help with random test failures on shutdown, see OS#6273 for
details.

Change-Id: I59578934c6406bea5eb8d55d3641737e555a2d85
Related: OS#6273
diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn
index e5bec7d..7a6572a 100644
--- a/gbproxy/GBProxy_Tests.ttcn
+++ b/gbproxy/GBProxy_Tests.ttcn
@@ -702,7 +702,7 @@
 		pars.p_tmsi := omit;
 	}
 
-	vc_conn := BSSGP_ConnHdlr.create(id);
+	vc_conn := BSSGP_ConnHdlr.create(id) alive;
 
 	log("Starting ", id, " for SGSN[", sgsn_idx, "], NRI=", nri, ", P-TMSI=", pars.p_tmsi,
 	    ", TLLI=", pars.tlli, ", IMSI=", pars.imsi, " on component=", vc_conn);