Merge branch '3.4' into 4.2

* 3.4: (25 commits)
  Add missing ID_id validators translation
  fixed CS
  Added missing translations in validators.tr.xlf
  Update validators.es.xlf
  Update validators.hu.xlf
  [Validator] Add the missing translations for the Welsh (cy) locale
  [Validator] Add missing DE validator translations
  [Validator] Add the missing translations for the Dutch (nl) locale
  Add missing PL translation
  Add missing translations.
  Add missing translations for IT to Validator
  minor #30184 [Validator] Add the missing translations for the Russian (ru) locale (antonch1989)
  [Validator] Add the missing translations for the Arabic (ar) locale
  add_missing_translations_for_portuguese : [Validator] Add the missing translations for the Portuguese ("pt") locale
  [Validator] Add the missing translations for the French (fr) locale
  [Validator] Add some missing contents to the English translation
  use PropertyAccessorInterface instead of PropertyAccessor
  Fix KernelTestCase compatibility for PhpUnit 8 (bis)
  add xabbuh as code owner of the Form component
  [Validator] Added a missing translation
  ...

Author: fabpot

Test/KernelShutdownOnTearDownTrait.php

@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Test;
+
+use PHPUnit\Framework\TestCase;
+
+// Auto-adapt to PHPUnit 8 that added a `void` return-type to the tearDown method
+
+if (method_exists(\ReflectionMethod::class, 'hasReturnType') && (new \ReflectionMethod(TestCase::class, 'tearDown'))->hasReturnType()) {
+eval('
+    /**
+     * @internal
+     */
+    trait KernelShutdownOnTearDownTrait
+    {
+        protected function tearDown(): void
+        {
+            static::ensureKernelShutdown();
+        }
+    }
+');
+} else {
+    /**
+     * @internal
+     */
+    trait KernelShutdownOnTearDownTrait
+    {
+        /**
+         * @return void
+         */
+        protected function tearDown()
+        {
+            static::ensureKernelShutdown();
+        }
+    }
+}

Test/KernelTestCase.php

@@ -23,6 +23,8 @@
  */
 abstract class KernelTestCase extends TestCase
 {
+    use KernelShutdownOnTearDownTrait;
+
     protected static $class;
 
     /**
@@ -112,9 +114,7 @@ protected static function createKernel(array $options = [])
     }
 
     /**
-     * @after
-     *
-     * Shuts the kernel down if it was used in the test.
+     * Shuts the kernel down if it was used in the test - called by the tearDown method by default.
      */
     protected static function ensureKernelShutdown()
     {