private function makeVisitorAndAction($lastActionTimestamp, $currentActionTime, $isVisitorKnown = false)
 {
     $idsite = API::getInstance()->addSite("name", "http://piwik.net/");
     list($visit, $request) = $this->prepareVisitWithRequest(array('idsite' => $idsite), $currentActionTime);
     $visitor = new Visitor($request, 'configid', array('visit_last_action_time' => Date::factory($lastActionTimestamp)->getTimestamp()));
     $visitor->setIsVisitorKnown($isVisitorKnown);
     $action = new ActionPageview($request);
     return array($visit, $visitor, $action);
 }