diff --git a/tests/index.html b/tests/index.html
index 3d3752e..c4edfd4 100644
--- a/tests/index.html
+++ b/tests/index.html
@@ -10,6 +10,7 @@
   <div id="qunit"></div>
   <div id="qunit-fixture"></div>
   <script src="https://code.jquery.com/qunit/qunit-2.1.1.js"></script>
+  <script src="./lib.js"></script>
   <script src="../main.js"></script>
   <script src="tests.js"></script>
 </body>