[DoctrineBundle] fixed unit tests

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/Fixtures/config/xml/orm_hydration_mode.xml

@@ -11,7 +11,7 @@
         <orm default-entity-manager="default">
             <entity-manager name="default">
                 <hydrator name="test_hydrator" class="Symfony\Bundle\DoctrineBundle\Tests\DependencyInjection\TestHydrator" />
-                <mapping name="Yaml" />
+                <mapping name="YamlBundle" />
             </entity-manager>
         </orm>
     </config>

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/Fixtures/config/yml/orm_hydration_mode.yml

@@ -6,4 +6,4 @@ doctrine:
                 hydrators:
                     test_hydrator: Symfony\Bundle\DoctrineBundle\Tests\DependencyInjection\TestHydrator
                 mappings:
-                    Yaml: ~
+                    YamlBundle: ~