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

@@ -1,11 +1,10 @@
 (* Test/exercise version: "1.1.0" *)
 
-open Core
 open OUnit2
 open Atbash_cipher
 
-let ae exp got _test_ctxt = assert_equal ~printer:String.to_string exp got
+let ae exp got _test_ctxt = assert_equal ~printer:(fun x -> x) exp got
 
 let encode_tests = [
    "encode yes" >::
      ae "bvh" (encode "yes");
    "encode no" >::
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