diff --git a/core/modules/field/src/Tests/FieldItemTestBase.php b/core/modules/field/src/Tests/FieldItemTestBase.php
index 1ae1737..8b5932c 100644
--- a/core/modules/field/src/Tests/FieldItemTestBase.php
+++ b/core/modules/field/src/Tests/FieldItemTestBase.php
@@ -10,6 +10,11 @@
 use Drupal\simpletest\WebTestBase;
 use Drupal\config\Tests\SchemaCheckTestTrait;
 
+/**
+ * Base class to automatically assert entity display schemas.
+ *
+ * @group field
+ */
 class FieldItemTestBase extends WebTestBase {
 
   use SchemaCheckTestTrait;