diff --git a/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php b/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php
index 29c212bb63..de703fb763 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/SchemaTest.php
@@ -12,6 +12,8 @@
 /**
  * Tests table creation and modification via the schema API.
  *
+ * @coversDefaultClass \Drupal\Core\Database\Schema
+ *
  * @group Database
  */
 class SchemaTest extends KernelTestBase {
@@ -794,7 +796,7 @@ protected function assertFieldChange($old_spec, $new_spec, $test_data = NULL) {
   }
 
   /**
-   * Tests the Schema::findPrimaryKeyColumns method.
+   * @covers ::findPrimaryKeyColumns
    */
   public function testFindPrimaryKeyColumns() {
     $connection = Database::getConnection();