diff --git a/lib/ace/test/all.js b/lib/ace/test/all.js
index dfd024ac..46b5b55e 100644
--- a/lib/ace/test/all.js
+++ b/lib/ace/test/all.js
@@ -44,7 +44,7 @@ async.concat(
     require("./document_test"),
     require("./edit_session_test"),
     require("./event_emitter_test"),
-    //require("./navigation_test"),
+    require("./navigation_test"),
     require("./range_test"),
     require("./search_test"),
     require("./selection_test"),