diff --git a/core/tests/Drupal/KernelTests/Config/TypedConfigTest.php b/core/tests/Drupal/KernelTests/Config/TypedConfigTest.php
index 06881f2..26d75f5 100644
--- a/core/tests/Drupal/KernelTests/Config/TypedConfigTest.php
+++ b/core/tests/Drupal/KernelTests/Config/TypedConfigTest.php
@@ -75,7 +75,7 @@ public function testTypedDataAPI() {
     $typed_config_manager = \Drupal::service('config.typed');
     $typed_config = $typed_config_manager->createFromNameAndData('config_test.validation', \Drupal::configFactory()->get('config_test.validation')->get());
     $this->assertInstanceOf(TypedConfigInterface::class, $typed_config);
-    $this->assertEquals(['llama', 'cat', 'giraffe', 'uuid', '_core'], array_keys($typed_config->getElements()));
+    $this->assertEquals(['llama', 'cat', 'giraffe', 'uuid', 'machine_name', '_core'], array_keys($typed_config->getElements()));
 
     $config_test_entity = \Drupal::entityTypeManager()->getStorage('config_test')->create([
       'id' => 'asterix',
diff --git a/core/tests/Drupal/KernelTests/Core/Config/ConfigSchemaTest.php b/core/tests/Drupal/KernelTests/Core/Config/ConfigSchemaTest.php
index 6c0bc1a..37eaa88 100644
--- a/core/tests/Drupal/KernelTests/Core/Config/ConfigSchemaTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Config/ConfigSchemaTest.php
@@ -183,7 +183,7 @@ public function testSchemaMapping() {
     $expected['mapping']['label']['label'] = 'Label';
     $expected['mapping']['effects']['type'] = 'sequence';
     $expected['mapping']['effects']['sequence']['type'] = 'mapping';
-    $expected['mapping']['effects']['sequence']['mapping']['id']['type'] = 'string';
+    $expected['mapping']['effects']['sequence']['mapping']['id']['type'] = 'machine_name';
     $expected['mapping']['effects']['sequence']['mapping']['data']['type'] = 'image.effect.[%parent.id]';
     $expected['mapping']['effects']['sequence']['mapping']['weight']['type'] = 'integer';
     $expected['mapping']['effects']['sequence']['mapping']['uuid']['type'] = 'uuid';