private function sendLocationToTrash($contentHref)
{
$trashRequest = $this->createHttpRequest('MOVE', $contentHref);
$trashRequest->addHeader('Destination: /api/ezp/v2/content/trash');
$response = $this->sendHttpRequest($trashRequest);
self::assertHttpResponseCodeEquals($response, 201);
$trashHref = $response->getHeader('Location');
return $trashHref;
}