/**
  * Asserts that a config entity can be imported without changing it.
  *
  * @param \Drupal\Core\Config\Entity\ConfigEntityInterface $entity
  *   The config entity to test importing.
  */
 public function assertConfigEntityImport(ConfigEntityInterface $entity)
 {
     // Save original config information.
     $entity_uuid = $entity->uuid();
     $entity_type_id = $entity->getEntityTypeId();
     $original_data = $entity->toArray();
     // Copy everything to sync.
     $this->copyConfig(\Drupal::service('config.storage'), \Drupal::service('config.storage.sync'));
     // Delete the configuration from active. Don't worry about side effects of
     // deleting config like fields cleaning up field storages. The coming import
     // should recreate everything as necessary.
     $entity->delete();
     $this->configImporter()->reset()->import();
     $imported_entity = \Drupal::entityManager()->loadEntityByUuid($entity_type_id, $entity_uuid);
     $this->assertIdentical($original_data, $imported_entity->toArray());
 }