library/IPA: use tr_ASP_IPA_EV instead of inline templates

This way we can easily add new parameters to ASP_IPA_Event.

Change-Id: Icc37286fcb4d43836d56a26424ecb9dcba58d1f1
diff --git a/hlr/HLR_Tests.ttcn b/hlr/HLR_Tests.ttcn
index 27a44de..36e28b8 100644
--- a/hlr/HLR_Tests.ttcn
+++ b/hlr/HLR_Tests.ttcn
@@ -201,7 +201,7 @@
 	T.start;
 	alt {
 		[not legacy] GSUP_IPA_EVENT.receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_UP)) { }
-		[legacy] GSUP.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP}) { }
+		[legacy] GSUP.receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_UP)) { }
 		[] T.timeout {
 			setverdict(fail, "No connection to GSUP Port");
 			mtc.stop;