function disabled_test_save_ws()
 {
     $result = iclicker_service::ws_get_students();
     $this->assertNotNull($result);
     $clicker_reg = new stdClass();
     $clicker_reg->owner_id = '101';
     // student01
     $clicker_reg->clicker_id = '11111111';
     // NOTE: disable this to avoid putting test data into the real domain of systems
     /*
             $result = iclicker_service::ws_save_clicker($clicker_reg);
             $this->assertNotNull($result);
     */
     $result = iclicker_service::ws_get_student('student01');
     $this->assertNotNull($result);
 }