public function testAutoSaveClear()
{
$first_patient_id = 1;
$second_patient_id = 2;
$first_queue_id = 1;
$second_queue_id = 1;
$data = array('key' => 'value');
AutoSaveTicket::saveFormData($first_patient_id, $first_queue_id, $data);
AutoSaveTicket::saveFormData($second_patient_id, $second_queue_id, $data);
$this->assertNotNull(AutoSaveTicket::getFormData($first_patient_id, $first_queue_id));
$this->assertNotNull(AutoSaveTicket::getFormData($first_patient_id, $second_queue_id));
AutoSaveTicket::clear();
$this->assertNull(AutoSaveTicket::getFormData($first_patient_id, $first_queue_id));
$this->assertNull(AutoSaveTicket::getFormData($first_patient_id, $second_queue_id));
}