diff --git a/test/interfaces/qunit.spec.js b/test/interfaces/qunit.spec.js
index 0d15272f0b..8a555cbb09 100644
--- a/test/interfaces/qunit.spec.js
+++ b/test/interfaces/qunit.spec.js
@@ -1,25 +1,20 @@
 'use strict';
 
-function ok (expr, msg) {
-  if (!expr) throw new Error(msg);
-}
-
 suite('integer primitives');
 
 test('should add', function () {
-  var number = 2 + 2;
-  ok(number === 4);
+  expect(2 + 2, 'to be', 4);
 });
 
 test('should decrement', function () {
   var number = 3;
-  ok(--number === 2);
-  ok(--number === 1);
-  ok(--number === 0);
+  expect(--number, 'to be', 2);
+  expect(--number, 'to be', 1);
+  expect(--number, 'to be', 0);
 });
 
 suite('String');
 
 test('#length', function () {
-  ok('foo'.length === 3);
+  expect('foo', 'to have length', 3);
 });