Fix Twig tests

Author: fabpot

src/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php

@@ -88,7 +88,7 @@ public function load(array $configs, ContainerBuilder $container)
             }
 
             if (ContainerBuilder::willBeAvailable('symfony/translation', LocaleSwitcher::class, ['symfony/framework-bundle'])) {
-                $container->getDefinition('twig.mime_body_renderer')->setArgument('$localeSwitcher', new Reference('translation.locale_switcher'));
+                $container->getDefinition('twig.mime_body_renderer')->setArgument('$localeSwitcher', new Reference('translation.locale_switcher', ContainerBuilder::IGNORE_ON_INVALID_REFERENCE));
             }
         }
 

src/Symfony/Bundle/TwigBundle/Tests/DependencyInjection/TwigExtensionTest.php

@@ -49,7 +49,7 @@ public function testLoadEmptyConfiguration()
         $this->assertEquals('%kernel.debug%', $options['debug'], '->load() sets default value for debug option');
 
         if (class_exists(Mailer::class)) {
-            $this->assertCount(1, $container->getDefinition('twig.mime_body_renderer')->getArguments());
+            $this->assertCount(2, $container->getDefinition('twig.mime_body_renderer')->getArguments());
         }
     }
 
@@ -286,7 +286,7 @@ public function testCustomHtmlToTextConverterService(string $format)
         $this->compileContainer($container);
 
         $bodyRenderer = $container->getDefinition('twig.mime_body_renderer');
-        $this->assertCount(2, $bodyRenderer->getArguments());
+        $this->assertCount(3, $bodyRenderer->getArguments());
         $this->assertEquals(new Reference('my_converter'), $bodyRenderer->getArgument('$converter'));
     }