@Test
public void testChannelImageTre() throws FileNotFoundException, NitfFormatException {

  NitfSegmentsFlow parserInputFlow =
      new NitfParserInputFlowImpl().file(new File(IMAGE_TRE_NTF_FILENAME)).headerOnly();
  String channel = routingSlip.channel(parserInputFlow);
  assertThat(channel, is(RoutingSlip.IMAGE_ROUTE));
}