Issue #2456477 by Berdir, dawehner, heddn, pguillard: Convert deprecated...

Issue #2456477 by Berdir, dawehner, heddn, pguillard: Convert deprecated \Drupal\simpletest\KernelTestBase tests to KernelTestBaseNG

core/modules/editor/src/Tests/QuickEditIntegrationTest.php → core/modules/editor/tests/src/Kernel/QuickEditIntegrationTest.php

 <?php
 
-namespace Drupal\editor\Tests;
+namespace Drupal\Tests\editor\Kernel;
 
 use Drupal\Component\Serialization\Json;
 use Drupal\Core\EventSubscriber\AjaxResponseSubscriber;
@@ -8,7 +8,7 @@
 use Drupal\editor\Entity\Editor;
 use Drupal\entity_test\Entity\EntityTest;
 use Drupal\quickedit\MetadataGenerator;
-use Drupal\quickedit\Tests\QuickEditTestBase;
+use Drupal\Tests\quickedit\Kernel\QuickEditTestBase;
 use Drupal\quickedit_test\MockEditEntityFieldAccessCheck;
 use Drupal\editor\EditorController;
 use Symfony\Component\HttpFoundation\Request;

core/modules/forum/src/Tests/ForumValidationTest.php → core/modules/forum/tests/src/Kernel/ForumValidationTest.php

 <?php
 
-namespace Drupal\forum\Tests;
+namespace Drupal\Tests\forum\Kernel;
 
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
 use Drupal\node\Entity\Node;
 use Drupal\taxonomy\Entity\Term;
-use Drupal\system\Tests\Entity\EntityUnitTestBase;
 
 /**
  * Tests forum validation constraints.
  *
  * @group forum
  */
-class ForumValidationTest extends EntityUnitTestBase {
+class ForumValidationTest extends EntityKernelTestBase {
 
   /**
    * Modules to install.

core/modules/language/src/Tests/Condition/LanguageConditionTest.php → core/modules/language/tests/src/Kernel/Condition/LanguageConditionTest.php

 <?php
 
-namespace Drupal\language\Tests\Condition;
+namespace Drupal\Tests\language\Kernel\Condition;
 
 use Drupal\language\Entity\ConfigurableLanguage;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests that the language condition, provided by the language module, is

core/modules/language/src/Tests/ConfigurableLanguageTest.php → core/modules/language/tests/src/Kernel/ConfigurableLanguageTest.php

 <?php
 
-namespace Drupal\language\Tests;
+namespace Drupal\Tests\language\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 use Drupal\language\Entity\ConfigurableLanguage;
 
 /**

core/modules/language/src/Tests/EntityDefaultLanguageTest.php → core/modules/language/tests/src/Kernel/EntityDefaultLanguageTest.php

 <?php
 
-namespace Drupal\language\Tests;
+namespace Drupal\Tests\language\Kernel;
 
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\language\Entity\ContentLanguageSettings;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests default language code is properly generated for entities.
@@ -18,7 +18,7 @@ class EntityDefaultLanguageTest extends KernelTestBase {
    *
    * @var array
    */
-  public static $modules = array('language', 'node', 'field', 'text', 'user');
+  public static $modules = array('language', 'node', 'field', 'text', 'user', 'system');
 
   /**
    * {@inheritdoc}

core/modules/language/src/Tests/EntityUrlLanguageTest.php → core/modules/language/tests/src/Kernel/EntityUrlLanguageTest.php

 <?php
 
-namespace Drupal\language\Tests;
+namespace Drupal\Tests\language\Kernel;
 
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\entity_test\Entity\EntityTest;
@@ -46,7 +46,8 @@ protected function setUp() {
     $config = $this->config('language.negotiation');
     $config->set('url.prefixes', ['en' => 'en', 'es' => 'es', 'fr' => 'fr'])
       ->save();
-    $this->kernel->rebuildContainer();
+
+    \Drupal::service('kernel')->rebuildContainer();
 
     $this->createTranslatableEntity();
   }

core/modules/language/src/Tests/LanguageConfigOverrideInstallTest.php → core/modules/language/tests/src/Kernel/LanguageConfigOverrideInstallTest.php

 <?php
 
-namespace Drupal\language\Tests;
+namespace Drupal\Tests\language\Kernel;
 
 use Drupal\language\Entity\ConfigurableLanguage;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Ensures the language config overrides can be installed.

core/modules/language/src/Tests/LanguageDependencyInjectionTest.php → core/modules/language/tests/src/Kernel/LanguageDependencyInjectionTest.php

 <?php
 
-namespace Drupal\language\Tests;
+namespace Drupal\Tests\language\Kernel;
 
 use Drupal\language\Entity\ConfigurableLanguage;
 use Drupal\language\Exception\DeleteDefaultLanguageException;

core/modules/language/src/Tests/LanguageFallbackTest.php → core/modules/language/tests/src/Kernel/LanguageFallbackTest.php

 <?php
 
-namespace Drupal\language\Tests;
+namespace Drupal\Tests\language\Kernel;
 
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\language\Entity\ConfigurableLanguage;

core/modules/language/src/Tests/LanguageTestBase.php → core/modules/language/tests/src/Kernel/LanguageTestBase.php

 <?php
 
-namespace Drupal\language\Tests;
+namespace Drupal\Tests\language\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Test for dependency injected language object.

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

 <?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/src/Tests/LocaleConfigSubscriberForeignTest.php → core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberForeignTest.php

 <?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/src/Tests/LocaleConfigSubscriberTest.php → core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberTest.php

 <?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 @@ protected function setUp() {
 
     $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.

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

 <?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/src/Tests/LocaleStringIsSafeTest.php → core/modules/locale/tests/src/Kernel/LocaleStringIsSafeTest.php

 <?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/src/Tests/LocaleTranslationProjectsTest.php → core/modules/locale/tests/src/Kernel/LocaleTranslationProjectsTest.php

 <?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.

core/modules/menu_link_content/src/Tests/MenuLinkContentCacheabilityBubblingTest.php → core/modules/menu_link_content/tests/src/Kernel/MenuLinkContentCacheabilityBubblingTest.php

 <?php
 
-namespace Drupal\menu_link_content\Tests;
+namespace Drupal\Tests\menu_link_content\Kernel;
 
 use Drupal\Core\Cache\Cache;
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\Core\Menu\MenuTreeParameters;
 use Drupal\Core\Render\BubbleableMetadata;
 use Drupal\menu_link_content\Entity\MenuLinkContent;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 use Drupal\user\Entity\User;
 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
 use Symfony\Component\HttpFoundation\Request;

core/modules/menu_link_content/src/Tests/MenuLinkContentDeriverTest.php → core/modules/menu_link_content/tests/src/Kernel/MenuLinkContentDeriverTest.php

 <?php
 
-namespace Drupal\menu_link_content\Tests;
+namespace Drupal\Tests\menu_link_content\Kernel;
 
 use Drupal\Core\Menu\MenuTreeParameters;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\menu_link_content\Entity\MenuLinkContent;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 use Symfony\Component\Routing\Route;
 
 /**

core/modules/menu_link_content/src/Tests/PathAliasMenuLinkContentTest.php → core/modules/menu_link_content/tests/src/Kernel/PathAliasMenuLinkContentTest.php

 <?php
 
-namespace Drupal\menu_link_content\Tests;
+namespace Drupal\Tests\menu_link_content\Kernel;
 
 use Drupal\Core\DependencyInjection\ContainerBuilder;
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\Core\Menu\MenuTreeParameters;
 use Drupal\menu_link_content\Entity\MenuLinkContent;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Ensures that the menu tree adapts to path alias changes.
@@ -36,8 +36,8 @@ protected function setUp() {
   /**
    * {@inheritdoc}
    */
-  public function containerBuild(ContainerBuilder $container) {
-    parent::containerBuild($container);
+  public function register(ContainerBuilder $container) {
+    parent::register($container);
 
     $definition = $container->getDefinition('path_processor_alias');
     $definition

core/modules/node/src/Tests/Config/NodeImportChangeTest.php → core/modules/node/tests/src/Kernel/Config/NodeImportChangeTest.php

 <?php
 
-namespace Drupal\node\Tests\Config;
+namespace Drupal\Tests\node\Kernel\Config;
 
 use Drupal\node\Entity\NodeType;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Change content types during config create method invocation.

core/modules/node/src/Tests/Config/NodeImportCreateTest.php → core/modules/node/tests/src/Kernel/Config/NodeImportCreateTest.php

 <?php
 
-namespace Drupal\node\Tests\Config;
+namespace Drupal\Tests\node\Kernel\Config;
 
 use Drupal\field\Entity\FieldConfig;
 use Drupal\node\Entity\NodeType;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Create content types during config create method invocation.
@@ -59,8 +59,8 @@ public function testImportCreate() {
     $sync = $this->container->get('config.storage.sync');
     $this->copyConfig($active, $sync);
     // Manually add new node type.
-    $src_dir = drupal_get_path('module', 'node_test_config') . '/sync';
-    $target_dir = $this->configDirectories[CONFIG_SYNC_DIRECTORY];
+    $src_dir = __DIR__ . '/../../../modules/node_test_config/sync';
+    $target_dir = config_get_config_directory(CONFIG_SYNC_DIRECTORY);
     $this->assertTrue(file_unmanaged_copy("$src_dir/$node_type_config_name.yml", "$target_dir/$node_type_config_name.yml"));
 
     // Import the content of the sync directory.

core/modules/node/src/Tests/NodeBodyFieldStorageTest.php → core/modules/node/tests/src/Kernel/NodeBodyFieldStorageTest.php

 <?php
 
-namespace Drupal\node\Tests;
+namespace Drupal\Tests\node\Kernel;
 
 use Drupal\field\Entity\FieldConfig;
 use Drupal\field\Entity\FieldStorageConfig;
 use Drupal\node\Entity\NodeType;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests node body field storage.

core/modules/node/src/Tests/Condition/NodeConditionTest.php → core/modules/node/tests/src/Kernel/NodeConditionTest.php

 <?php
 
-namespace Drupal\node\Tests\Condition;
+namespace Drupal\Tests\node\Kernel;
 
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
-use Drupal\system\Tests\Entity\EntityUnitTestBase;
 
 /**
  * Tests that conditions, provided by the node module, are working properly.
  *
  * @group node
  */
-class NodeConditionTest extends EntityUnitTestBase {
+class NodeConditionTest extends EntityKernelTestBase {
 
   public static $modules = array('node');
 

core/modules/node/src/Tests/NodeFieldAccessTest.php → core/modules/node/tests/src/Kernel/NodeFieldAccessTest.php

 <?php
 
-namespace Drupal\node\Tests;
+namespace Drupal\Tests\node\Kernel;
 
 use Drupal\Component\Utility\SafeMarkup;
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
-use Drupal\system\Tests\Entity\EntityUnitTestBase;
 
 /**
  * Tests node field level access.
  *
  * @group node
  */
-class NodeFieldAccessTest extends EntityUnitTestBase {
+class NodeFieldAccessTest extends EntityKernelTestBase {
 
   /**
    * Modules to enable.

core/modules/node/src/Tests/NodeFieldOverridesTest.php → core/modules/node/tests/src/Kernel/NodeFieldOverridesTest.php

 <?php
 
-namespace Drupal\node\Tests;
+namespace Drupal\Tests\node\Kernel;
 
 use Drupal\Core\Field\Entity\BaseFieldOverride;
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
-use Drupal\system\Tests\Entity\EntityUnitTestBase;
 
 /**
  * Tests node field overrides.
  *
  * @group node
  */
-class NodeFieldOverridesTest extends EntityUnitTestBase {
+class NodeFieldOverridesTest extends EntityKernelTestBase {
 
   /**
    * Current logged in user.

core/modules/node/src/Tests/NodeListBuilderTest.php → core/modules/node/tests/src/Kernel/NodeListBuilderTest.php

 <?php
 
-namespace Drupal\node\Tests;
+namespace Drupal\Tests\node\Kernel;
 
 use Drupal\Core\Language\LanguageInterface;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests the admin listing fallback when views is not enabled.

core/modules/node/src/Tests/NodeOwnerTest.php → core/modules/node/tests/src/Kernel/NodeOwnerTest.php

 <?php
 
-namespace Drupal\node\Tests;
+namespace Drupal\Tests\node\Kernel;
 
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
 use Drupal\language\Entity\ConfigurableLanguage;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
-use Drupal\system\Tests\Entity\EntityUnitTestBase;
 
 /**
  * Tests node owner functionality.
  *
  * @group Entity
  */
-class NodeOwnerTest extends EntityUnitTestBase {
+class NodeOwnerTest extends EntityKernelTestBase {
 
   /**
    * Modules to enable.

core/modules/node/src/Tests/NodeTokenReplaceTest.php → core/modules/node/tests/src/Kernel/NodeTokenReplaceTest.php

 <?php
 
-namespace Drupal\node\Tests;
+namespace Drupal\Tests\node\Kernel;
 
 use Drupal\Component\Render\FormattableMarkup;
 use Drupal\Component\Utility\Html;
 use Drupal\Core\Render\BubbleableMetadata;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
-use Drupal\system\Tests\System\TokenReplaceUnitTestBase;
+use Drupal\Tests\system\Kernel\Token\TokenReplaceKernelTestBase;
 
 /**
  * Generates text using placeholders for dummy content to check node token
@@ -15,7 +15,7 @@
  *
  * @group node
  */
-class NodeTokenReplaceTest extends TokenReplaceUnitTestBase {
+class NodeTokenReplaceTest extends TokenReplaceKernelTestBase {
 
   /**
    * Modules to enable.

core/modules/node/src/Tests/NodeValidationTest.php → core/modules/node/tests/src/Kernel/NodeValidationTest.php

 <?php
 
-namespace Drupal\node\Tests;
+namespace Drupal\Tests\node\Kernel;
 
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
-use Drupal\system\Tests\Entity\EntityUnitTestBase;
 
 /**
  * Tests node validation constraints.
  *
  * @group node
  */
-class NodeValidationTest extends EntityUnitTestBase {
+class NodeValidationTest extends EntityKernelTestBase {
 
   /**
    * Modules to enable.

core/modules/quickedit/src/Tests/EditorSelectionTest.php → core/modules/quickedit/tests/src/Kernel/EditorSelectionTest.php

 <?php
 
-namespace Drupal\quickedit\Tests;
+namespace Drupal\Tests\quickedit\Kernel;
 
 use Drupal\entity_test\Entity\EntityTest;
 use Drupal\quickedit\EditorSelector;

core/modules/quickedit/src/Tests/MetadataGeneratorTest.php → core/modules/quickedit/tests/src/Kernel/MetadataGeneratorTest.php

 <?php
 
-namespace Drupal\quickedit\Tests;
+namespace Drupal\Tests\quickedit\Kernel;
 
 use Drupal\entity_test\Entity\EntityTest;
 use Drupal\quickedit\EditorSelector;

core/modules/quickedit/src/Tests/QuickEditTestBase.php → core/modules/quickedit/tests/src/Kernel/QuickEditTestBase.php

 <?php
 
-namespace Drupal\quickedit\Tests;
+namespace Drupal\Tests\quickedit\Kernel;
 
 use Drupal\field\Entity\FieldConfig;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 use Drupal\field\Entity\FieldStorageConfig;
 
 /**

core/modules/rdf/src/Tests/CrudTest.php → core/modules/rdf/tests/src/Kernel/CrudTest.php

 <?php
 
-namespace Drupal\rdf\Tests;
+namespace Drupal\Tests\rdf\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests the RDF mapping CRUD functions.

core/modules/rdf/src/Tests/RdfaAttributesTest.php → core/modules/rdf/tests/src/Kernel/RdfaAttributesTest.php

 <?php
 
-namespace Drupal\rdf\Tests;
+namespace Drupal\Tests\rdf\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests RDFa attribute generation from RDF mapping.

core/modules/rest/src/Tests/RestLinkManagerTest.php → core/modules/rest/tests/src/Kernel/RestLinkManagerTest.php

 <?php
 
-namespace Drupal\rest\Tests;
+namespace Drupal\Tests\rest\Kernel;
+
 use Drupal\Core\Url;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests that REST type and relation link managers work as expected

core/modules/search/src/Tests/SearchExcerptTest.php → core/modules/search/tests/src/Kernel/SearchExcerptTest.php

 <?php
 
-namespace Drupal\search\Tests;
+namespace Drupal\Tests\search\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 /**
  * Tests the search_excerpt() function.

core/modules/search/src/Tests/SearchMatchTest.php → core/modules/search/tests/src/Kernel/SearchMatchTest.php

 <?php
 
-namespace Drupal\search\Tests;
+namespace Drupal\Tests\search\Kernel;
 
 use Drupal\Core\Language\LanguageInterface;
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 
 // The search index can contain different types of content. Typically the type
 // is 'node'. Here we test with _test_ and _test2_ as the type.

core/modules/serialization/src/Tests/SerializationTest.php → core/modules/serialization/tests/src/Kernel/SerializationTest.php

 <?php
 
-namespace Drupal\serialization\Tests;
+namespace Drupal\Tests\serialization\Kernel;
 
-use Drupal\simpletest\KernelTestBase;
+use Drupal\KernelTests\KernelTestBase;
 use Symfony\Component\Serializer\Exception\UnexpectedValueException;
 
 /**