Issue #3082655 by Wim Leers, alexpott, iyyappan.govind, dww, lauriii: Specify the $defaultTheme property in all functional tests

core/modules/action/tests/src/Functional/ActionListTest.php

@@ -18,6 +18,11 @@ class ActionListTest extends BrowserTestBase {
    */
   public static $modules = ['action'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests the behavior when there are no actions to list in the admin page.
    */

core/modules/action/tests/src/Functional/ActionUninstallTest.php

@@ -20,6 +20,11 @@ class ActionUninstallTest extends BrowserTestBase {
    */
   public static $modules = ['views', 'action'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests Action uninstall.
    */

core/modules/action/tests/src/Functional/ConfigurationTest.php

@@ -20,6 +20,12 @@ class ConfigurationTest extends BrowserTestBase {
    */
   public static $modules = ['action'];
 
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests configuration of advanced actions through administration interface.
    */

core/modules/action/tests/src/FunctionalJavascript/ActionFormAjaxTest.php

@@ -18,6 +18,11 @@ class ActionFormAjaxTest extends WebDriverTestBase {
    */
   protected static $modules = ['action', 'action_form_ajax_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/AddFeedTest.php

@@ -11,6 +11,11 @@ use Drupal\Core\Url;
  */
 class AddFeedTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   protected function setUp() {
     parent::setUp();
 

core/modules/aggregator/tests/src/Functional/AggregatorAdminTest.php

@@ -11,6 +11,11 @@ use Drupal\Component\Render\FormattableMarkup;
  */
 class AggregatorAdminTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests the settings form to ensure the correct default values are used.
    */

core/modules/aggregator/tests/src/Functional/AggregatorCronTest.php

@@ -13,6 +13,11 @@ class AggregatorCronTest extends AggregatorTestBase {
 
   use CronRunTrait;
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Adds feeds and updates them via cron process.
    */

core/modules/aggregator/tests/src/Functional/AggregatorDisplayConfigurableTest.php

@@ -13,6 +13,11 @@ use Drupal\node\Entity\Node;
  */
 class AggregatorDisplayConfigurableTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/AggregatorRenderingTest.php

@@ -19,6 +19,11 @@ class AggregatorRenderingTest extends AggregatorTestBase {
    */
   public static $modules = ['block', 'test_page_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   protected function setUp() {
     parent::setUp();
 

core/modules/aggregator/tests/src/Functional/DeleteFeedItemTest.php

@@ -11,6 +11,11 @@ use Drupal\Core\Url;
  */
 class DeleteFeedItemTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests running "delete items" from 'admin/config/services/aggregator' page.
    */

core/modules/aggregator/tests/src/Functional/DeleteFeedTest.php

@@ -16,6 +16,11 @@ class DeleteFeedTest extends AggregatorTestBase {
    */
   public static $modules = ['block'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Deletes a feed and ensures that all of its services are deleted.
    */

core/modules/aggregator/tests/src/Functional/FeedAdminDisplayTest.php

@@ -9,6 +9,11 @@ namespace Drupal\Tests\aggregator\Functional;
  */
 class FeedAdminDisplayTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests the "Next update" and "Last update" fields.
    */

core/modules/aggregator/tests/src/Functional/FeedCacheTagsTest.php

@@ -19,6 +19,11 @@ class FeedCacheTagsTest extends EntityWithUriCacheTagsTestBase {
    */
   public static $modules = ['aggregator'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/FeedFetcherPluginTest.php

@@ -11,6 +11,11 @@ namespace Drupal\Tests\aggregator\Functional;
  */
 class FeedFetcherPluginTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/FeedLanguageTest.php

@@ -21,6 +21,11 @@ class FeedLanguageTest extends AggregatorTestBase {
    */
   public static $modules = ['language'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * List of langcodes.
    *

core/modules/aggregator/tests/src/Functional/FeedParserTest.php

@@ -15,6 +15,11 @@ use Drupal\aggregator\Entity\Item;
  */
 class FeedParserTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/FeedProcessorPluginTest.php

@@ -14,6 +14,11 @@ use Drupal\aggregator\Entity\Item;
  */
 class FeedProcessorPluginTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Hal/FeedHalJsonAnonTest.php

@@ -16,4 +16,9 @@ class FeedHalJsonAnonTest extends FeedHalJsonTestBase {
    */
   protected static $mimeType = 'application/hal+json';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Hal/FeedHalJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class FeedHalJsonBasicAuthTest extends FeedHalJsonTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Hal/FeedHalJsonCookieTest.php

@@ -16,4 +16,9 @@ class FeedHalJsonCookieTest extends FeedHalJsonTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Hal/ItemHalJsonAnonTest.php

@@ -16,6 +16,11 @@ class ItemHalJsonAnonTest extends ItemHalJsonTestBase {
    */
   public static $modules = ['hal'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Hal/ItemHalJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class ItemHalJsonBasicAuthTest extends ItemHalJsonTestBase {
    */
   public static $modules = ['hal', 'basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Hal/ItemHalJsonCookieTest.php

@@ -16,6 +16,11 @@ class ItemHalJsonCookieTest extends ItemHalJsonTestBase {
    */
   public static $modules = ['hal'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/ImportOpmlTest.php

@@ -18,6 +18,11 @@ class ImportOpmlTest extends AggregatorTestBase {
    */
   public static $modules = ['block', 'help'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/ItemCacheTagsTest.php

@@ -21,6 +21,11 @@ class ItemCacheTagsTest extends EntityCacheTagsTestBase {
    */
   public static $modules = ['aggregator'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Rest/FeedJsonAnonTest.php

@@ -21,4 +21,9 @@ class FeedJsonAnonTest extends FeedResourceTestBase {
    */
   protected static $mimeType = 'application/json';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Rest/FeedJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class FeedJsonBasicAuthTest extends FeedResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Rest/FeedJsonCookieTest.php

@@ -26,4 +26,9 @@ class FeedJsonCookieTest extends FeedResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Rest/FeedXmlAnonTest.php

@@ -23,4 +23,9 @@ class FeedXmlAnonTest extends FeedResourceTestBase {
    */
   protected static $mimeType = 'text/xml; charset=UTF-8';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Rest/FeedXmlBasicAuthTest.php

@@ -18,6 +18,11 @@ class FeedXmlBasicAuthTest extends FeedResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Rest/FeedXmlCookieTest.php

@@ -28,4 +28,9 @@ class FeedXmlCookieTest extends FeedResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Rest/ItemJsonAnonTest.php

@@ -21,4 +21,9 @@ class ItemJsonAnonTest extends ItemResourceTestBase {
    */
   protected static $mimeType = 'application/json';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Rest/ItemJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class ItemJsonBasicAuthTest extends ItemResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Rest/ItemJsonCookieTest.php

@@ -26,4 +26,9 @@ class ItemJsonCookieTest extends ItemResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Rest/ItemXmlAnonTest.php

@@ -23,4 +23,9 @@ class ItemXmlAnonTest extends ItemResourceTestBase {
    */
   protected static $mimeType = 'text/xml; charset=UTF-8';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/Rest/ItemXmlBasicAuthTest.php

@@ -18,6 +18,11 @@ class ItemXmlBasicAuthTest extends ItemResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/aggregator/tests/src/Functional/Rest/ItemXmlCookieTest.php

@@ -28,4 +28,9 @@ class ItemXmlCookieTest extends ItemResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/aggregator/tests/src/Functional/UpdateFeedItemTest.php

@@ -13,6 +13,11 @@ use Drupal\aggregator\Entity\Item;
  */
 class UpdateFeedItemTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests running "update items" from 'admin/config/services/aggregator' page.
    */

core/modules/aggregator/tests/src/Functional/UpdateFeedTest.php

@@ -11,6 +11,11 @@ use Drupal\Component\Render\FormattableMarkup;
  */
 class UpdateFeedTest extends AggregatorTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Creates a feed and attempts to update it.
    */

core/modules/ban/tests/src/Functional/IpAddressBlockingTest.php

@@ -20,6 +20,11 @@ class IpAddressBlockingTest extends BrowserTestBase {
    */
   public static $modules = ['ban'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests various user input to confirm correct validation and saving of data.
    */

core/modules/basic_auth/tests/src/Functional/BasicAuthTest.php

@@ -25,6 +25,11 @@ class BasicAuthTest extends BrowserTestBase {
    */
   public static $modules = ['basic_auth', 'router_test', 'locale', 'basic_auth_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Test http basic authentication.
    */

core/modules/big_pipe/tests/src/Functional/BigPipeTest.php

@@ -33,6 +33,11 @@ class BigPipeTest extends BrowserTestBase {
    */
   public static $modules = ['big_pipe', 'big_pipe_test', 'dblog'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/big_pipe/tests/src/FunctionalJavascript/BigPipeRegressionTest.php

@@ -34,6 +34,11 @@ class BigPipeRegressionTest extends WebDriverTestBase {
     'big_pipe_regression_test',
   ];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/BlockAdminThemeTest.php

@@ -18,6 +18,11 @@ class BlockAdminThemeTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'contextual'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Check for the accessibility of the admin theme on the block admin page.
    */

core/modules/block/tests/src/Functional/BlockCacheTest.php

@@ -19,6 +19,11 @@ class BlockCacheTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'block_test', 'test_page_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * A user with permission to create and edit books and to administer blocks.
    *

core/modules/block/tests/src/Functional/BlockDemoTest.php

@@ -18,6 +18,11 @@ class BlockDemoTest extends BrowserTestBase {
    */
   public static $modules = ['block'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Check for the accessibility of the admin block demo page.
    */

core/modules/block/tests/src/Functional/BlockFormInBlockTest.php

@@ -19,6 +19,11 @@ class BlockFormInBlockTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'block_test', 'test_page_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/BlockHiddenRegionTest.php

@@ -24,6 +24,11 @@ class BlockHiddenRegionTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'block_test', 'search'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   protected function setUp() {
     parent::setUp();
 

core/modules/block/tests/src/Functional/BlockHookOperationTest.php

@@ -18,6 +18,11 @@ class BlockHookOperationTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'entity_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   protected function setUp() {
     parent::setUp();
 

core/modules/block/tests/src/Functional/BlockHtmlTest.php

@@ -18,6 +18,11 @@ class BlockHtmlTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'block_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   protected function setUp() {
     parent::setUp();
 

core/modules/block/tests/src/Functional/BlockInstallTest.php

@@ -11,6 +11,11 @@ use Drupal\Tests\BrowserTestBase;
  */
 class BlockInstallTest extends BrowserTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   public function testCacheTagInvalidationUponInstallation() {
     // Warm the page cache.
     $this->drupalGet('');

core/modules/block/tests/src/Functional/BlockInvalidRegionTest.php

@@ -20,6 +20,11 @@ class BlockInvalidRegionTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'block_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   protected function setUp() {
     parent::setUp();
     // Create an admin user.

core/modules/block/tests/src/Functional/BlockLanguageCacheTest.php

@@ -19,6 +19,11 @@ class BlockLanguageCacheTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'language', 'menu_ui'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * List of langcodes.
    *

core/modules/block/tests/src/Functional/BlockLanguageTest.php

@@ -25,6 +25,11 @@ class BlockLanguageTest extends BrowserTestBase {
    */
   public static $modules = ['language', 'block', 'content_translation'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   protected function setUp() {
     parent::setUp();
 

core/modules/block/tests/src/Functional/BlockRenderOrderTest.php

@@ -19,6 +19,11 @@ class BlockRenderOrderTest extends BrowserTestBase {
    */
   public static $modules = ['node', 'block'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   protected function setUp() {
     parent::setUp();
     // Create a test user.

core/modules/block/tests/src/Functional/BlockSystemBrandingTest.php

@@ -16,6 +16,11 @@ class BlockSystemBrandingTest extends BlockTestBase {
    */
   public static $modules = ['block', 'system'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/BlockTest.php

@@ -16,6 +16,11 @@ use Drupal\user\RoleInterface;
  */
 class BlockTest extends BlockTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Tests block visibility.
    */

core/modules/block/tests/src/Functional/BlockUiTest.php

@@ -21,6 +21,11 @@ class BlockUiTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'block_test', 'help', 'condition_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   protected $regions;
 
   /**

core/modules/block/tests/src/Functional/BlockXssTest.php

@@ -23,6 +23,11 @@ class BlockXssTest extends BrowserTestBase {
    */
   public static $modules = ['block', 'block_content', 'menu_ui', 'views'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Tests that nothing is escaped other than the blocks explicitly tested.
    */

core/modules/block/tests/src/Functional/Hal/BlockHalJsonAnonTest.php

@@ -17,6 +17,11 @@ class BlockHalJsonAnonTest extends BlockResourceTestBase {
    */
   public static $modules = ['hal'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/Hal/BlockHalJsonBasicAuthTest.php

@@ -17,6 +17,11 @@ class BlockHalJsonBasicAuthTest extends BlockResourceTestBase {
    */
   public static $modules = ['hal', 'basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/Hal/BlockHalJsonCookieTest.php

@@ -17,6 +17,11 @@ class BlockHalJsonCookieTest extends BlockResourceTestBase {
    */
   public static $modules = ['hal'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/NonDefaultBlockAdminTest.php

@@ -18,6 +18,11 @@ class NonDefaultBlockAdminTest extends BrowserTestBase {
    */
   public static $modules = ['block'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/Rest/BlockJsonAnonTest.php

@@ -21,4 +21,9 @@ class BlockJsonAnonTest extends BlockResourceTestBase {
    */
   protected static $mimeType = 'application/json';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
 }

core/modules/block/tests/src/Functional/Rest/BlockJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class BlockJsonBasicAuthTest extends BlockResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/Rest/BlockJsonCookieTest.php

@@ -26,4 +26,9 @@ class BlockJsonCookieTest extends BlockResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
 }

core/modules/block/tests/src/Functional/Rest/BlockXmlAnonTest.php

@@ -23,4 +23,9 @@ class BlockXmlAnonTest extends BlockResourceTestBase {
    */
   protected static $mimeType = 'text/xml; charset=UTF-8';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
 }

core/modules/block/tests/src/Functional/Rest/BlockXmlBasicAuthTest.php

@@ -18,6 +18,11 @@ class BlockXmlBasicAuthTest extends BlockResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block/tests/src/Functional/Rest/BlockXmlCookieTest.php

@@ -28,4 +28,9 @@ class BlockXmlCookieTest extends BlockResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
 }

core/modules/block/tests/src/Functional/Views/DisplayBlockTest.php

@@ -33,6 +33,11 @@ class DisplayBlockTest extends ViewTestBase {
    */
   public static $modules = ['node', 'block_test_views', 'test_page_test', 'contextual', 'views_ui'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Views used by this test.
    *

core/modules/block/tests/src/FunctionalJavascript/BlockFilterTest.php

@@ -17,6 +17,11 @@ class BlockFilterTest extends WebDriverTestBase {
    */
   public static $modules = ['user', 'block'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/BlockContentCacheTagsTest.php

@@ -22,6 +22,11 @@ class BlockContentCacheTagsTest extends EntityCacheTagsTestBase {
    */
   public static $modules = ['block_content'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/BlockContentContextualLinksTest.php

@@ -16,6 +16,11 @@ class BlockContentContextualLinksTest extends BlockContentTestBase {
     'contextual',
   ];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests contextual links.
    */

core/modules/block_content/tests/src/Functional/BlockContentCreationTest.php

@@ -23,6 +23,11 @@ class BlockContentCreationTest extends BlockContentTestBase {
    */
   public static $modules = ['block_content_test', 'dblog', 'field_ui'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Permissions to grant admin user.
    *

core/modules/block_content/tests/src/Functional/BlockContentListTest.php

@@ -22,6 +22,11 @@ class BlockContentListTest extends BlockContentTestBase {
    */
   public static $modules = ['block', 'block_content', 'config_translation'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Tests the custom block listing page.
    */

core/modules/block_content/tests/src/Functional/BlockContentListViewsTest.php

@@ -20,6 +20,11 @@ class BlockContentListViewsTest extends BlockContentTestBase {
    */
   public static $modules = ['block', 'block_content', 'config_translation', 'views'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests the custom block listing page.
    */

core/modules/block_content/tests/src/Functional/BlockContentPageViewTest.php

@@ -16,6 +16,11 @@ class BlockContentPageViewTest extends BlockContentTestBase {
    */
   public static $modules = ['block_content_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Checks block edit and fallback functionality.
    */

core/modules/block_content/tests/src/Functional/BlockContentRevisionsTest.php

@@ -14,6 +14,11 @@ use Drupal\user\UserInterface;
  */
 class BlockContentRevisionsTest extends BlockContentTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Stores blocks created during the test.
    * @var array

core/modules/block_content/tests/src/Functional/BlockContentSaveTest.php

@@ -19,6 +19,11 @@ class BlockContentSaveTest extends BlockContentTestBase {
    */
   public static $modules = ['block_content_test'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Sets the test up.
    */

core/modules/block_content/tests/src/Functional/BlockContentTranslationUITest.php

@@ -27,6 +27,11 @@ class BlockContentTranslationUITest extends ContentTranslationUITestBase {
     'block_content',
   ];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/BlockContentTypeTest.php

@@ -23,6 +23,11 @@ class BlockContentTypeTest extends BlockContentTestBase {
    */
   public static $modules = ['field_ui'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Permissions to grant admin user.
    *

core/modules/block_content/tests/src/Functional/BlockContentValidationTest.php

@@ -11,6 +11,11 @@ use Drupal\Component\Render\FormattableMarkup;
  */
 class BlockContentValidationTest extends BlockContentTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * Tests the block content validation constraints.
    */

core/modules/block_content/tests/src/Functional/Hal/BlockContentHalJsonAnonTest.php

@@ -20,6 +20,11 @@ class BlockContentHalJsonAnonTest extends BlockContentResourceTestBase {
    */
   public static $modules = ['hal'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/Hal/BlockContentHalJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class BlockContentHalJsonBasicAuthTest extends BlockContentHalJsonAnonTest {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/Hal/BlockContentHalJsonCookieTest.php

@@ -16,4 +16,9 @@ class BlockContentHalJsonCookieTest extends BlockContentHalJsonAnonTest {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Hal/BlockContentTypeHalJsonAnonTest.php

@@ -17,6 +17,11 @@ class BlockContentTypeHalJsonAnonTest extends BlockContentTypeResourceTestBase {
    */
   public static $modules = ['hal'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/Hal/BlockContentTypeHalJsonBasicAuthTest.php

@@ -17,6 +17,11 @@ class BlockContentTypeHalJsonBasicAuthTest extends BlockContentTypeResourceTestB
    */
   public static $modules = ['hal', 'basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/Hal/BlockContentTypeHalJsonCookieTest.php

@@ -17,6 +17,11 @@ class BlockContentTypeHalJsonCookieTest extends BlockContentTypeResourceTestBase
    */
   public static $modules = ['hal'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/PageEditTest.php

@@ -12,6 +12,11 @@ use Drupal\block_content\Entity\BlockContent;
  */
 class PageEditTest extends BlockContentTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   protected function setUp() {
     parent::setUp();
 

core/modules/block_content/tests/src/Functional/Rest/BlockContentJsonAnonTest.php

@@ -21,4 +21,9 @@ class BlockContentJsonAnonTest extends BlockContentResourceTestBase {
    */
   protected static $mimeType = 'application/json';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Rest/BlockContentJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class BlockContentJsonBasicAuthTest extends BlockContentResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/Rest/BlockContentJsonCookieTest.php

@@ -26,4 +26,9 @@ class BlockContentJsonCookieTest extends BlockContentResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeJsonAnonTest.php

@@ -21,4 +21,9 @@ class BlockContentTypeJsonAnonTest extends BlockContentTypeResourceTestBase {
    */
   protected static $mimeType = 'application/json';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeJsonBasicAuthTest.php

@@ -16,6 +16,11 @@ class BlockContentTypeJsonBasicAuthTest extends BlockContentTypeResourceTestBase
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeJsonCookieTest.php

@@ -26,4 +26,9 @@ class BlockContentTypeJsonCookieTest extends BlockContentTypeResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeXmlAnonTest.php

@@ -23,4 +23,9 @@ class BlockContentTypeXmlAnonTest extends BlockContentTypeResourceTestBase {
    */
   protected static $mimeType = 'text/xml; charset=UTF-8';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeXmlBasicAuthTest.php

@@ -18,6 +18,11 @@ class BlockContentTypeXmlBasicAuthTest extends BlockContentTypeResourceTestBase
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */

core/modules/block_content/tests/src/Functional/Rest/BlockContentTypeXmlCookieTest.php

@@ -28,4 +28,9 @@ class BlockContentTypeXmlCookieTest extends BlockContentTypeResourceTestBase {
    */
   protected static $auth = 'cookie';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Rest/BlockContentXmlAnonTest.php

@@ -23,4 +23,9 @@ class BlockContentXmlAnonTest extends BlockContentResourceTestBase {
    */
   protected static $mimeType = 'text/xml; charset=UTF-8';
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
 }

core/modules/block_content/tests/src/Functional/Rest/BlockContentXmlBasicAuthTest.php

@@ -18,6 +18,11 @@ class BlockContentXmlBasicAuthTest extends BlockContentResourceTestBase {
    */
   public static $modules = ['basic_auth'];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    * {@inheritdoc}
    */