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;
    }

}