trait AssertConfigEntityImportTrait in Zircon Profile 8

trait AssertConfigEntityImportTrait {

  /**
   * 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());
  }

}