diff --git a/test/unit/utils.html b/test/unit/utils.html
index 9e142d8935..7de7c82369 100644
--- a/test/unit/utils.html
+++ b/test/unit/utils.html
@@ -73,7 +73,7 @@
       setTimeout(function() {
         assert.equal(called, 1, 'debounce should be called exactly once');
         done();
-      }, 50);
+      });
 
     });