public function testInclusionByStaticConstructor()
 {
     $base_frame = SimpleDescReqCommand::construct(0x77ae, 0xab);
     $transaction_id = 20;
     $parent = ZDPFrame::construct($base_frame, $transaction_id);
     $this->assertInstanceOf("Munisense\\Zigbee\\ZDP\\Discovery\\SimpleDescReqCommand", $parent->getPayloadObject());
     $this->assertEquals($base_frame->displayFrame(), $parent->displayPayload());
 }
 public function getFrame()
 {
     $frame = parent::getFrame();
     Buffer::packInt8u($frame, $this->getStartIndex());
     return $frame;
 }