diff --git a/tests/core/t_heap.ml b/tests/core/t_heap.ml
index 9a3e96a0..82487e36 100644
--- a/tests/core/t_heap.ml
+++ b/tests/core/t_heap.ml
@@ -79,13 +79,6 @@ q ~name:"filter"
     List.for_all p l' && List.length l' = List.length (List.filter p l))
 ;;
 
-q ~name:"to_iter_sorted"
-  Q.(list_of_size Gen.small_nat medium_nat)
-  (fun l ->
-    (l |> H.of_list |> H.to_iter_sorted |> Iter.to_list)
-    = (l |> List.sort CCInt.compare))
-;;
-
 q ~name:"of_gen"
   Q.(list_of_size Gen.small_nat medium_nat)
   (fun l ->
@@ -100,6 +93,13 @@ q ~name:"to_gen"
     = (l |> List.sort CCInt.compare))
 ;;
 
+q ~name:"to_iter_sorted"
+  Q.(list_of_size Gen.small_nat medium_nat)
+  (fun l ->
+    (l |> H.of_list |> H.to_iter_sorted |> Iter.to_list)
+    = (l |> List.sort CCInt.compare))
+;;
+
 q ~name:"to_string with default sep"
   Q.(list_of_size Gen.small_nat medium_nat)
   (fun l ->