chore(packaging): update import for the new file structure

modules/angular2/e2e_test/test_util.es6

@@ -0,0 +1,12 @@
+var benchpress = require('../../../tools/benchpress/index.js');
+
+module.exports = {
+  verifyNoBrowserErrors: benchpress.verifyNoBrowserErrors,
+  clickAll: clickAll
+};
+
+function clickAll(buttonSelectors) {
+  buttonSelectors.forEach(function(selector) {
+    $(selector).click();
+  });
+}