pcu: Fix MCC/MNC handling: use 'F' between MCC and MNC in 2-digit case

Change-Id: Ifdb64c501095839e86894716769adb53e3c17382
diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 09885bd..b18b999 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -28,7 +28,7 @@
 		cell_id := {
 			ra_id := {
 				lai := {
-					mcc_mnc := '26242F'H, lac := 13135
+					mcc_mnc := '262F42'H, lac := 13135
 				},
 				rac := 0
 			},