private function createPage()
{
$page = new PageDocument();
$page->setTitle('Hello');
$page->setResourceSegment('/hello');
$page->setParent($this->contentDocument);
$page->setStructureType('internallinks');
$page->getStructure()->bind(['title' => 'World', 'internalLinks' => [$this->contentDocument->getUuid()]], true);
$this->documentManager->persist($page, 'fr');
$this->documentManager->flush();
return $page;
}