/**
  * set up entity.
  */
 private function setUpEntity()
 {
     $emailSendReceive = new EmailSendReceive();
     $emailSendReceive->setSentAt(new DateTime('-1 day'));
     $emailSendReceiveColl = new EmailSendReceiveCollection();
     $emailSendReceiveColl->add($emailSendReceive);
     $this->getPersistCollection()->persist($emailSendReceiveColl);
     $this->getPersistCollection()->flush();
 }
 private function setUpEntity($sentAt = '-1 day')
 {
     $emailSendReceive = new EmailSendReceive();
     $emailSendReceive->setSentAt(new DateTime($sentAt));
     $emailSendReceive->setStatus(EmailSendReceive::STATUS_SANDED);
     $emailSendReceiveColl = new EmailSendReceiveCollection();
     $emailSendReceiveColl->add($emailSendReceive);
     $this->getPersistCollection()->persist($emailSendReceiveColl);
     $this->getPersistCollection()->flush();
 }