class EntityRevision

class EntityRevision extends RealEntityRevision {
  
  /**
   * Allow public access for testing.
   */
  public function getEntity(Row $row, array $old_destination_id_values) {
    return parent::getEntity($row, $old_destination_id_values);
  }
  
  /**
   * Allow public access for testing.
   */
  public function save(ContentEntityInterface $entity, array $old_destination_id_values = []) {
    return parent::save($entity, $old_destination_id_values);
  }
  
  /**
   * Don't test method from base class.
   *
   * This method is from the parent and we aren't concerned with the inner
   * workings of its implementation which would trickle into mock assertions. An
   * empty implementation avoids this.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity to update.
   * @param \Drupal\migrate\Row $row
   *   The row object to update from.
   *
   * @return \Drupal\Core\Entity\EntityInterface
   *   An updated entity from row values.
   */
  protected function updateEntity(EntityInterface $entity, Row $row) {
    return $entity;
  }

}