diff --git a/core/tests/Drupal/KernelTests/Core/Entity/ConfigEntityAdapterTest.php b/core/tests/Drupal/KernelTests/Core/Entity/ConfigEntityAdapterTest.php
index 4f78de4fa5..fc430c0d7a 100644
--- a/core/tests/Drupal/KernelTests/Core/Entity/ConfigEntityAdapterTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Entity/ConfigEntityAdapterTest.php
@@ -7,6 +7,13 @@
 use Drupal\Core\Entity\Plugin\DataType\EntityAdapter;
 use Drupal\KernelTests\KernelTestBase;
 
+/**
+ * Tests Entity Adapter for ConfigEntities.
+ *
+ * @see \Drupal\Core\Entity\Plugin\DataType\EntityAdapter
+ *
+ * @group Entity
+ */
 class ConfigEntityAdapterTest extends KernelTestBase {
 
   /**