[FrameworkBundle] fix DependencyInjection/*FrameworkExtensionTest for Windows

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -232,7 +232,7 @@ abstract class FrameworkExtensionTest extends TestCase
 
         $xmlArgs = $container->getParameter('validator.mapping.loader.xml_files_loader.mapping_files');
         $this->assertEquals(2, count($xmlArgs));
-        $this->assertStringEndsWith('Component/Form/Resources/config/validation.xml', $xmlArgs[0]);
+        $this->assertStringEndsWith('Component'.DIRECTORY_SEPARATOR.'Form/Resources/config/validation.xml', $xmlArgs[0]);
         $this->assertStringEndsWith('TestBundle'.DIRECTORY_SEPARATOR.'Resources'.DIRECTORY_SEPARATOR.'config'.DIRECTORY_SEPARATOR.'validation.xml', $xmlArgs[1]);
     }