diff --git a/openbsc/tests/gprs/gprs_test.ok b/openbsc/tests/gprs/gprs_test.ok
index 39d37c1..56d4b65 100644
--- a/openbsc/tests/gprs/gprs_test.ok
+++ b/openbsc/tests/gprs/gprs_test.ok
@@ -13,4 +13,5 @@
 N(U) = 510, V(UR) = 511 => retransmit
 N(U) = 481, V(UR) = 511 => retransmit
 N(U) = 479, V(UR) = 511 => new
+Test shift functions
 Done.