/**
  * @param int $amount
  * @param FrontendUser[] $speakers
  * @param array $recurringSpeakersPerSessionPercentage
  * @return AcceptedSession[]
  */
 protected function createSessions($amount, array $speakers, array $recurringSpeakersPerSessionPercentage = [])
 {
     $sessions = [];
     for ($i = 1; $i <= $amount; $i++) {
         $randomSpeaker = $speakers[array_rand($speakers)];
         $session = new AcceptedSession();
         $session->_setProperty('uid', $i + 3000);
         $session->_setProperty('votes', rand(0, 500));
         $session->setTitle('Session #' . $i);
         $session->addSpeaker($randomSpeaker);
         $sessions[] = $session;
     }
     return $sessions;
 }