[DoctrineBundle] fixed a unit test (detected thanks to PHP 3.6.0)

src/Symfony/Bundle/DoctrineBundle/Tests/DependencyInjection/AbstractDoctrineExtensionTest.php

@@ -513,7 +513,7 @@ abstract class AbstractDoctrineExtensionTest extends TestCase
         $this->assertEquals('%doctrine.orm.cache.apc.class%', $cacheDefinition->getClass());
 
         $configDefinition = $container->getDefinition('doctrine.orm.default_configuration');
-        $this->assertDICDefinitionMethodCallOnce($configDefinition, 'setAutoGenerateProxyClasses', array(true));
+        $this->assertDICDefinitionMethodCallOnce($configDefinition, 'setAutoGenerateProxyClasses', array('%doctrine.orm.auto_generate_proxy_classes%'));
     }
 
     public function testSingleEntityManagerMultipleMappingBundleDefinitions()