bts: Test forwarding PCUIF<->IPA/OSMO/PCU

Change-Id: I78880098a55d1cb456011746efa0a47832a86ca8
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index e855405..a08c3ff 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -70,6 +70,7 @@
 friend module BTS_Tests_virtphy;
 friend module BTS_Tests_LAPDm;
 friend module BTS_Tests_perf;
+friend module BTS_Tests_OML;
 
 /* The tests assume a BTS with the following timeslot configuration:
  * TS0 : Combined CCCH + SDCCH/4
@@ -440,7 +441,7 @@
 }
 
 /* PCU socket may at any time receive a new INFO.ind */
-private altstep as_pcu_info_ind(PCUIF_CODEC_PT pt, integer pcu_conn_id,
+friend altstep as_pcu_info_ind(PCUIF_CODEC_PT pt, integer pcu_conn_id,
 				out PCUIF_Message pcu_last_info) {
 	var PCUIF_send_data sd;
 	[] pt.receive(t_SD_PCUIF(pcu_conn_id, tr_PCUIF_INFO_IND(0, ?))) -> value sd {