add missing functional Serializer test case

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/PropertyInfoTest.php

@@ -20,7 +20,7 @@ class PropertyInfoTest extends WebTestCase
         static::bootKernel(array('test_case' => 'Serializer'));
         $container = static::$kernel->getContainer();
 
-        $this->assertEquals(array(new Type(Type::BUILTIN_TYPE_ARRAY, false, null, true, new Type(Type::BUILTIN_TYPE_INT), new Type(Type::BUILTIN_TYPE_INT))), $container->get('property_info')->getTypes(Dummy::class, 'codes'));
+        $this->assertEquals(array(new Type(Type::BUILTIN_TYPE_ARRAY, false, null, true, new Type(Type::BUILTIN_TYPE_INT), new Type(Type::BUILTIN_TYPE_INT))), $container->get('property_info')->getTypes('Symfony\Bundle\FrameworkBundle\Tests\Functional\Dummy', 'codes'));
     }
 }
 

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/Serializer/bundles.php

@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
+
+return array(
+    new FrameworkBundle(),
+);

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/Serializer/config.yml

@@ -0,0 +1,6 @@
+imports:
+    - { resource: ../config/default.yml }
+
+framework:
+    serializer: { enabled: true }
+    property_info: { enabled: true }