test.ml in trackler-2.1.0.22

- old
+ new

@@ -1,9 +1,9 @@
 (* Test/exercise version: "1.0.0" *)
 
-open Core.Std
 open OUnit2
 open Binary_search
+open Core
 
 let option_to_string f = function
   | None   -> "None"
   | Some x -> "Some " ^ f x
 
\ No newline at end of file