tracks/ocaml/exercises/rectangles/test.ml in trackler-2.2.1.110 vs tracks/ocaml/exercises/rectangles/test.ml in trackler-2.2.1.111

@@ -1,11 +1,10 @@
 (* Test/exercise version: "1.0.0" *)
 
-open Core
 open OUnit2
 open Rectangles
 
-let ae exp got _test_ctxt = assert_equal exp got ~printer:Int.to_string
+let ae exp got _test_ctxt = assert_equal exp got ~printer:string_of_int
 
 let tests = [
    "no rows" >::
       ae 0 (count_rectangles [||]);
    "no columns" >::
\ No newline at end of file