function test_parse_post_content_remaining_single_page() {
    global $multipage, $pages, $numpages;
    $post_id = self::factory()->post->create( array( 'post_content' => 'Page 0' ) );
    $post    = get_post( $post_id );
    setup_postdata( $post );
    $this->assertEquals( 0, $multipage );
    $this->assertCount( 1, $pages );
    $this->assertEquals( 1, $numpages );
    $this->assertEquals( array( 'Page 0' ), $pages );
  }