function test_grandchildren_hierarchical_pages_first_page() {
    // page 6 is the first page with grandchildren
    $this->_test_list_hierarchical_page(
      array(
        'paged'          => 6,
        'posts_per_page' => 2,
      ),
      array(
        self::$top[3]->ID,
        self::$children[3][1]->ID,
        self::$grandchildren[3][1][1]->ID,
        self::$grandchildren[3][1][2]->ID,
      )
    );
  }