Added linting for JavaScript tests.

js_tests/admin/actions.test.js

@@ -1,7 +1,13 @@
+/* global module, test */
+/* eslint global-strict: 0, strict: 0 */
+'use strict';
+
 module('admin.actions', {
     beforeEach: function() {
         // Number of results shown on page
+        /* eslint-disable */
         window._actions_icnt = '100';
+        /* eslint-enable */
 
         var $ = django.jQuery;
         $('#qunit-fixture').append($('#result-table').text());