diff --git a/tests/pvec/t_pvec.ml b/tests/pvec/t_pvec.ml
index 3663d5e0..babdee8f 100644
--- a/tests/pvec/t_pvec.ml
+++ b/tests/pvec/t_pvec.ml
@@ -202,6 +202,8 @@ module Op = struct
                    1, return (Check_to_list, size);
                    1, return (Check_to_gen, size);
                    1, return (Check_last, size);
+                   1, return (Check_iter, size);
+                   1, return (Check_rev_iter, size);
                  ];
                  (if size > 0 then
                    [