@Override
        public ContentChannel handleResponse(com.yahoo.jdisc.Response response) {
            assertEquals(com.yahoo.jdisc.Response.Status.NOT_FOUND, response.getStatus());
            return channel;
        }
Check semantics of VIP status handler. Do note this handler does not need to
care about the incoming URI, that's 100% handled in JDIsc by the binding
pattern.

@author Steinar Knutsen
container-core/src/test/java/com/yahoo/container/handler/VipStatusHandlerTestCase.java