Resolve #3215110 "Add automated test"

Closes #3215110

src/Form/SettingsForm.php

@@ -28,12 +28,15 @@ class SettingsForm extends ConfigFormBase {
    *   Used to obtain configuration information.
    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
    *   The entity type manager.
+   * @param \Drupal\Core\Config\TypedConfigManagerInterface|null $typedConfigManager
+   *   The typed config manager.
    */
   public function __construct(
     ConfigFactoryInterface $config_factory,
-    EntityTypeManagerInterface $entity_type_manager
+    EntityTypeManagerInterface $entity_type_manager,
+    protected $typedConfigManager = NULL
   ) {
-    parent::__construct($config_factory);
+    parent::__construct($config_factory, $typedConfigManager);
     $this->entityTypeManager = $entity_type_manager;
   }
 
@@ -43,7 +46,8 @@ class SettingsForm extends ConfigFormBase {
   public static function create(ContainerInterface $container) {
     return new static(
       $container->get('config.factory'),
-      $container->get('entity_type.manager')
+      $container->get('entity_type.manager'),
+      $container->get('config.typed')
     );
   }