diff --git a/core/modules/file/tests/src/Functional/FileFieldTestBase.php b/core/modules/file/tests/src/Functional/FileFieldTestBase.php
index 09ea6a010d..d9ac4bd0e5 100644
--- a/core/modules/file/tests/src/Functional/FileFieldTestBase.php
+++ b/core/modules/file/tests/src/Functional/FileFieldTestBase.php
@@ -22,7 +22,7 @@
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['node', 'file', 'file_module_test', 'field_ui'];
+  protected static $modules = ['node', 'file', 'file_module_test', 'field_ui'];
 
   /**
    * An user with administration permissions.
diff --git a/core/modules/file/tests/src/Functional/FileFieldWidgetTest.php b/core/modules/file/tests/src/Functional/FileFieldWidgetTest.php
index fe05967d10..ab9fdf1e35 100644
--- a/core/modules/file/tests/src/Functional/FileFieldWidgetTest.php
+++ b/core/modules/file/tests/src/Functional/FileFieldWidgetTest.php
@@ -15,8 +15,7 @@
 use Drupal\user\UserInterface;
 
 /**
- * Tests the file field widget, single and multi-valued, with and without AJAX,
- * with public and private files.
+ * Tests the file field widget with public and private files.
  *
  * @group file
  */
@@ -28,7 +27,7 @@ class FileFieldWidgetTest extends FileFieldTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['comment', 'block'];
+  protected static $modules = ['comment', 'block'];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/file/tests/src/FunctionalJavascript/FileFieldWidgetTest.php b/core/modules/file/tests/src/FunctionalJavascript/FileFieldWidgetTest.php
index b535e00549..3d4ffecd92 100644
--- a/core/modules/file/tests/src/FunctionalJavascript/FileFieldWidgetTest.php
+++ b/core/modules/file/tests/src/FunctionalJavascript/FileFieldWidgetTest.php
@@ -9,8 +9,7 @@
 use Drupal\Tests\TestFileCreationTrait;
 
 /**
- * Tests the file field widget, single and multi-valued, with and without AJAX,
- * with public and private files.
+ * Tests the file field widget, single and multi-valued, using AJAX upload.
  *
  * @group file
  */