Added fixture example

Author: dantleech

README.md

@@ -89,3 +89,39 @@ class AppKernel extends TestKernel
 
 }
 ````
+
+Performing functional tests
+---------------------------
+
+The testing component provides a base test class which makes it easy
+to load DataFixtures and access different types of object managers.
+
+
+````php
+<?php
+
+namespace Symfony\Cmf\Bundle\MenuBundle\Tests\Functional\Admin\MenuNodeAdminTest;
+
+use Symfony\Cmf\Component\Testing\Functional\BaseTestCase;
+
+class MenuNodeAdminTest extends BaseTestCase
+{
+    public function setUp()
+    {
+        $this->db('PHPCR')->loadFixtures(array(
+            'Symfony\Cmf\Bundle\MenuBundle\Tests\Functional\DataFixtures\PHPCR\LoadMenuData',
+        ));
+        $this->client = $this->createClient();
+    }
+
+    public function testDashboard()
+    {
+        $crawler = $this->client->request('GET', '/admin/dashboard');
+        $res = $this->client->getResponse();
+        $this->assertEquals(200, $res->getStatusCode());
+        $this->assertCount(1, $crawler->filter('html:contains("dashboard.label_menu_node")'));
+
+        $this->db('PHPCR')->getOm(); // get the document/entity (or object) manager
+    }
+}
+````