docs($window): fix example

Author: petebacondarwin

src/ng/window.js

@@ -16,10 +16,23 @@
  * @example
    <doc:example>
      <doc:source>
-       <input ng-init="$window = $service('$window'); greeting='Hello World!'" type="text" ng-model="greeting" />
-       <button ng-click="$window.alert(greeting)">ALERT</button>
+       <script>
+         function Ctrl($scope, $window) {
+           $scope.$window = $window;
+           $scope.greeting = 'Hello, World!';
+         }
+       </script>
+       <div ng-controller="Ctrl">
+         <input type="text" ng-model="greeting" />
+         <button ng-click="$window.alert(greeting)">ALERT</button>
+       </div>
      </doc:source>
      <doc:scenario>
+      it('should display the greeting in the input box', function() {
+       input('greeting').enter('Hello, E2E Tests');
+       // If we click the button it will block the test runner
+       // element(':button').click();
+      });
      </doc:scenario>
    </doc:example>
  */