@Test(timeout = 5000)
public void testMessageWriteList() throws InterruptedException, ExecutionException {

    Capture<List<OFMessage>> cMsgList = prepareChannelForWriteList();
    OFHello hello = factory.hello(ImmutableList.<OFHelloElem>of());
    OFPacketOut packetOut = factory.buildPacketOut()
            .setData(new byte[] { 0x01, 0x02, 0x03, 0x04 })
            .setActions(ImmutableList.<OFAction>of( factory.actions().output(OFPort.of(1), 0)))
            .build();
    conn.write(ImmutableList.of(hello, packetOut));
    assertThat("Write should have been written", cMsgList.hasCaptured(), equalTo(true));
    List<OFMessage> value = cMsgList.getValue();
    logger.info("Captured channel write: "+value);
    assertThat("Should have captured MsgList", cMsgList.getValue(),
            Matchers.<OFMessage> contains(hello, packetOut));
}