@Test
public void onArpPacketReceivedTest_NullPacketChain() throws Exception {

    ArpPacketReceived arpReceived = new ArpPacketReceivedBuilder().build();
    arpPacketHandler.onArpPacketReceived(arpReceived);
    verify(packetDispatcher, times(0)).dispatchPacket(any(byte[].class), any(NodeConnectorRef.class),
            any(MacAddress.class), any(MacAddress.class));
}