Use helper methods from the stable lodash release to test unstable bits.

package.json

@@ -13,6 +13,7 @@
     "istanbul": "0.3.22",
     "jquery": "~1.11.0",
     "jscs": "^2.3.1",
+    "lodash": "^3.10.1",
     "platform": "~1.3.0",
     "qunit-extras": "~1.4.0",
     "qunitjs": "~1.19.0",

test/index.html

@@ -22,6 +22,8 @@
         };
       }
     </script>
+    <script src="../node_modules/lodash/index.js"></script>
+    <script>var lodashStable = _.noConflict();</script>
     <script src="../node_modules/qunitjs/qunit/qunit.js"></script>
     <script src="../node_modules/qunit-extras/qunit-extras.js"></script>
     <script src="../node_modules/platform/platform.js"></script>