.../help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php        | 5 +++++
 .../page_cache/tests/src/Functional/PageCacheTagsIntegrationTest.php | 5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/core/modules/help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php b/core/modules/help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php
index a8ef4eb2f7..e1b347f040 100644
--- a/core/modules/help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php
+++ b/core/modules/help_topics/tests/src/Functional/HelpTopicsSyntaxTest.php
@@ -27,6 +27,11 @@ class HelpTopicsSyntaxTest extends BrowserTestBase {
     'help_topics',
   ];
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'classy';
+
   /**
    * Tests that all Core help topics can be rendered and have good syntax.
    */
diff --git a/core/modules/page_cache/tests/src/Functional/PageCacheTagsIntegrationTest.php b/core/modules/page_cache/tests/src/Functional/PageCacheTagsIntegrationTest.php
index 2232104a1c..dd41bc25da 100644
--- a/core/modules/page_cache/tests/src/Functional/PageCacheTagsIntegrationTest.php
+++ b/core/modules/page_cache/tests/src/Functional/PageCacheTagsIntegrationTest.php
@@ -24,11 +24,6 @@ class PageCacheTagsIntegrationTest extends BrowserTestBase {
 
   protected $dumpHeaders = TRUE;
 
-  /**
-   * {@inheritdoc}
-   */
-  protected $defaultTheme = 'classy';
-
   /**
    * {@inheritdoc}
    */