Load check-error in the browser too

Author: lddubeau

test/browser/template.html

@@ -8,6 +8,7 @@
 
     <script src="http://coffeescript.org/extras/coffee-script.js"></script>
     <script src="../../node_modules/mocha/mocha.js"></script>
+    <script src="../../node_modules/check-error/check-error.js"></script>
     <script src="../../node_modules/chai/chai.js"></script>
     <script src="../../lib/chai-as-promised.js"></script>