tracks/ocaml/tools/test-generator/templates/ocaml/bowling/test.ml in trackler-2.1.0.48 vs tracks/ocaml/tools/test-generator/templates/ocaml/bowling/test.ml in trackler-2.1.0.49

@@ -4,10 +4,10 @@
 
 type game = Bowling.t
 
 let to_ok = function
 | Ok x -> x
-| Error _ -> failwith "should be OK"
+| Error e -> failwith @@ "should be OK but got Error " ^ e
 
 let set_previous_frames (frames : int list): game =
   List.fold frames ~init:new_game ~f:(fun g f -> roll f g |> to_ok)
 
 let score_printer = function