Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

core/modules/language/tests/src/ConfigurableLanguageTest.php

@@ -1,38 +0,0 @@
-<?php
-/**
- * @file
- * Contains \Drupal\Tests\language\ConfigurableLanguageTest.
- */
-
-namespace Drupal\Tests\language;
-
-use Drupal\simpletest\KernelTestBase;
-use Drupal\language\Entity\ConfigurableLanguage;
-
-/**
- * Tests the ConfigurableLanguage entity.
- *
- * @group language
- * @see \Drupal\language\Entity\ConfigurableLanguage.
- */
-class ConfigurableLanguageTest extends KernelTestBase {
-
-  /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = array('language');
-
-  /**
-   * Tests configurable language name methods.
-   */
-  public function testName() {
-    $name = $this->randomMachineName();
-    $language_code = $this->randomMachineName(2);
-    $configurableLanguage = new ConfigurableLanguage(array('label' => $name, 'id' => $language_code), 'configurable_language');
-    $this->assertEqual($configurableLanguage->getName(), $name);
-    $this->assertEqual($configurableLanguage->setName('Test language')->getName(), 'Test language');
-  }
-
-}

core/modules/language/tests/src/Unit/ContentLanguageSettingsUnitTest.php

@@ -102,7 +102,7 @@ class ContentLanguageSettingsUnitTest extends UnitTestCase {
       'target_entity_type_id' => 'test_entity_type',
       'target_bundle' => 'test_bundle',
     ), 'language_content_settings');
-    $dependencies = $config->calculateDependencies();
+    $dependencies = $config->calculateDependencies()->getDependencies();
     $this->assertContains('test.test_entity_type.id', $dependencies['config']);
   }
 

core/modules/language/tests/src/Unit/LanguageNegotiationUrlTest.php

@@ -60,6 +60,7 @@ class LanguageNegotiationUrlTest extends UnitTestCase {
     $cache_contexts_manager = $this->getMockBuilder('Drupal\Core\Cache\Context\CacheContextsManager')
       ->disableOriginalConstructor()
       ->getMock();
+    $cache_contexts_manager->method('assertValidTokens')->willReturn(TRUE);
     $container = new ContainerBuilder();
     $container->set('cache_contexts_manager', $cache_contexts_manager);
     \Drupal::setContainer($container);