Update to Drupal 8.1.1. For more information, see https://www.drupal.org/node/2718713

core/modules/locale/locale.bulk.inc

@@ -340,7 +340,7 @@ function locale_translate_batch_refresh(&$context) {
     // Clear cache and force refresh of JavaScript translations.
     _locale_refresh_translations($context['sandbox']['refresh']['languages'], $next);
     // Check whether we need to refresh configuration objects.
-    if ($names = \Drupal\locale\Locale::config()->getStringNames($next)) {
+    if ($names = Locale::config()->getStringNames($next)) {
       $context['sandbox']['refresh']['names_finished'] = $context['finished'];
       $context['sandbox']['refresh']['names'] = $names;
     }
@@ -533,7 +533,7 @@ function locale_translate_delete_translation_files(array $projects = array(), ar
  */
 function locale_config_batch_update_components(array $options, array $langcodes = array(), array $components = array()) {
   $langcodes = $langcodes ? $langcodes : array_keys(\Drupal::languageManager()->getLanguages());
-  if ($langcodes && $names = \Drupal\locale\Locale::config()->getComponentNames($components)) {
+  if ($langcodes && $names = Locale::config()->getComponentNames($components)) {
     return locale_config_batch_build($names, $langcodes, $options);
   }
 }

core/modules/locale/locale.module

@@ -1042,7 +1042,7 @@ function locale_string_is_safe($string) {
   // inject javascript. When \Drupal\Component\Utility\Xss::filter() removes
   // part of tokens, it causes the string to not be translatable when it should
   // be translatable.
-  // @see \Drupal\locale\Tests\LocaleStringIsSafeTest::testLocaleStringIsSafe()
+  // @see \Drupal\Tests\locale\Kernel\LocaleStringIsSafeTest::testLocaleStringIsSafe()
   //
   // We can recognize tokens since they are wrapped with brackets and are only
   // composed of alphanumeric characters, colon, underscore, and dashes. We can

core/modules/locale/src/LocaleDefaultConfigStorage.php

@@ -157,4 +157,3 @@ class LocaleDefaultConfigStorage {
   }
 
 }
-

core/modules/locale/src/Tests/LocaleConfigTranslationImportTest.php

@@ -60,7 +60,7 @@ class LocaleConfigTranslationImportTest extends WebTestBase {
     $this->drupalPostForm('admin/reports/translations', array(), t('Update translations'));
 
     // Check if configuration translations have been imported.
-    $override =  \Drupal::languageManager()->getLanguageConfigOverride('af', 'system.maintenance');
+    $override = \Drupal::languageManager()->getLanguageConfigOverride('af', 'system.maintenance');
     $this->assertEqual($override->get('message'), 'Ons is tans besig met onderhoud op @site. Wees asseblief geduldig, ons sal binnekort weer terug wees.');
   }
 

core/modules/locale/src/Tests/LocaleContentTest.php

@@ -134,7 +134,7 @@ class LocaleContentTest extends WebTestBase {
     // User to create a node.
     $web_user = $this->drupalCreateUser(array("create {$type->id()} content", "edit own {$type->id()} content"));
 
-    // Login as admin.
+    // Log in as admin.
     $this->drupalLogin($admin_user);
 
     // Install Arabic language.
@@ -157,7 +157,7 @@ class LocaleContentTest extends WebTestBase {
     $this->assertRaw(t('The content type %type has been updated.', array('%type' => $type->label())));
     $this->drupalLogout();
 
-    // Login as web user to add new node.
+    // Log in as web user to add new node.
     $this->drupalLogin($web_user);
 
     // Create three nodes: English, Arabic and Spanish.

core/modules/locale/tests/modules/locale_test/config/schema/locale_test.schema.yml

@@ -7,7 +7,7 @@ locale_test.no_translation:
     test:
       type: string
       label: 'Test'
-      # See \Drupal\locale\Tests\LocaleConfigSubscriberTest
+      # See \Drupal\Tests\locale\Kernel\LocaleConfigSubscriberTest
       translatable: true
 
 locale_test.translation:
@@ -17,5 +17,5 @@ locale_test.translation:
     test:
       type: string
       label: 'Test'
-      # See \Drupal\locale\Tests\LocaleConfigSubscriberTest
+      # See \Drupal\Tests\locale\Kernel\LocaleConfigSubscriberTest
       translatable: true

core/modules/locale/tests/src/Kernel/LocaleConfigManagerTest.php

@@ -1,10 +1,10 @@
 <?php
 
-namespace Drupal\locale\Tests;
+namespace Drupal\Tests\locale\Kernel;
 
 use Drupal\block\Entity\Block;
 use Drupal\language\Entity\ConfigurableLanguage;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests that the locale config manager operates correctly.

core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberForeignTest.php

@@ -1,7 +1,8 @@
 <?php
 
-namespace Drupal\locale\Tests;
+namespace Drupal\Tests\locale\Kernel;
 
+use Drupal\Core\DependencyInjection\ContainerBuilder;
 use Drupal\Core\Language\Language;
 use Drupal\language\Entity\ConfigurableLanguage;
 
@@ -15,11 +16,13 @@ class LocaleConfigSubscriberForeignTest extends LocaleConfigSubscriberTest {
   /**
    * {@inheritdoc}
    */
-  protected function defaultLanguageData() {
-    $data = Language::$defaultValues;
-    $data['id'] = 'hu';
-    $data['name'] = 'Hungarian';
-    return $data;
+  public function register(ContainerBuilder $container) {
+    parent::register($container);
+
+    $language = Language::$defaultValues;
+    $language['id'] = 'hu';
+    $language['name'] = 'Hungarian';
+    $container->setParameter('language.default_values', $language);
   }
 
   /**

core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberTest.php

@@ -1,12 +1,12 @@
 <?php
 
-namespace Drupal\locale\Tests;
+namespace Drupal\Tests\locale\Kernel;
 
 use Drupal\language\Entity\ConfigurableLanguage;
 use Drupal\locale\Locale;
 use Drupal\locale\StringInterface;
 use Drupal\locale\TranslationString;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests that shipped configuration translations are updated correctly.
@@ -18,7 +18,7 @@ class LocaleConfigSubscriberTest extends KernelTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['language', 'locale', 'system'];
+  public static $modules = ['language', 'locale', 'system', 'locale_test'];
 
   /**
    * The configurable language manager used in this test.
@@ -60,7 +60,6 @@ class LocaleConfigSubscriberTest extends KernelTestBase {
 
     $this->setupLanguages();
 
-    $this->enableModules(['locale_test']);
     $this->installConfig(['locale_test']);
     // Simulate this hook invoked which would happen if in a non-kernel test
     // or normal environment.
@@ -68,7 +67,7 @@ class LocaleConfigSubscriberTest extends KernelTestBase {
     // @see locale_system_update()
     locale_system_set_config_langcodes();
     $langcodes = array_keys(\Drupal::languageManager()->getLanguages());
-    $names = \Drupal\locale\Locale::config()->getComponentNames();
+    $names = Locale::config()->getComponentNames();
     Locale::config()->updateConfigTranslations($names, $langcodes);
 
     $this->configFactory = $this->container->get('config.factory');

core/modules/locale/tests/src/Kernel/LocaleConfigurableLanguageManagerTest.php

@@ -1,10 +1,10 @@
 <?php
 
-namespace Drupal\locale\Tests;
+namespace Drupal\Tests\locale\Kernel;
 
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\language\Entity\ConfigurableLanguage;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 
 /**

core/modules/locale/tests/src/Kernel/LocaleStringIsSafeTest.php

@@ -1,8 +1,8 @@
 <?php
 
-namespace Drupal\locale\Tests;
+namespace Drupal\Tests\locale\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests locale translation safe string handling.

core/modules/locale/tests/src/Kernel/LocaleTranslationProjectsTest.php

@@ -1,8 +1,8 @@
 <?php
 
-namespace Drupal\locale\Tests;
+namespace Drupal\Tests\locale\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests locale translation project handling.
@@ -14,7 +14,7 @@ class LocaleTranslationProjectsTest extends KernelTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['locale', 'locale_test'];
+  public static $modules = ['locale', 'locale_test', 'system'];
 
   /**
    * The module handler used in this test.