pcu: TC_stat_pdch_avail_occ: enable 4 TRX

Enable multiple TRX to verify that counters work as expected if the
allocator spreads TBFs over multiple TRX.

Related: SYS#4878
Change-Id: Ibde5be120e893fcecceb72a888483d5a6bb8ce50
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 15c451b..6e6104b 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -6023,9 +6023,12 @@
 	/* Initialize NS/BSSGP side */
 	f_init_bssgp();
 
-	/* Only 1 TRX with 8 PDCH */
-	f_PCUIF_PDCHMask_set(info_ind, '11111111'B, 0);
-	f_PCUIF_PDCHMask_set(info_ind, '00000000'B, (1 .. 7));
+	/* Only the 4 first TRX are enabled, each with 2 PDCHs. */
+	f_PCUIF_PDCHMask_set(info_ind, '00000011'B, 0);
+	f_PCUIF_PDCHMask_set(info_ind, '00001100'B, 1);
+	f_PCUIF_PDCHMask_set(info_ind, '11000000'B, 2);
+	f_PCUIF_PDCHMask_set(info_ind, '00110000'B, 3);
+	f_PCUIF_PDCHMask_set(info_ind, '00000000'B, (4 .. 7));
 
 	/* Allocate 4 GprsMS instances */
 	f_init_gprs_ms(4);