gsm0408_test: RA test: include min/max value cases

(Preparation for adding 3-digit MNC)

Change-Id: Ifbc167de0cc039858112677b8d0cd14a2c8af086
diff --git a/tests/gsm0408/gsm0408_test.ok b/tests/gsm0408/gsm0408_test.ok
index a3d801d..dc19eea 100644
--- a/tests/gsm0408/gsm0408_test.ok
+++ b/tests/gsm0408/gsm0408_test.ok
@@ -12,3 +12,13 @@
 MCC+MNC in BCD: 80 f4 89 
 084-98-11-89
 RA test...passed
+Constructed RA:
+000-00-0-0
+MCC+MNC in BCD: 00 f0 00 
+000-00-0-0
+RA test...passed
+Constructed RA:
+999-999-65535-255
+MCC+MNC in BCD: 99 99 99 
+999-999-65535-255
+RA test...passed