hnbgw: fix id string s/HBGW/HNBGW

Change-Id: I5935208843851fdac3536269617b56e8459b578d
diff --git a/hnbgw/HNBGW_Tests.ttcn b/hnbgw/HNBGW_Tests.ttcn
index fd868b0..81d9f1a 100644
--- a/hnbgw/HNBGW_Tests.ttcn
+++ b/hnbgw/HNBGW_Tests.ttcn
@@ -288,7 +288,7 @@
 }
 
 /* global initialization function */
-function f_init(charstring id := "HBGW", float guard_timeout := 30.0) runs on test_CT {
+function f_init(charstring id := "HNBGW", float guard_timeout := 30.0) runs on test_CT {
 
 	g_hnb_cfg[0] := {
 		lai := {