@Test
    void requireThatIgnoreFlagPersistsThroughRouteLookup() {
        setupRouting(new RoutingTableSpec(SimpleProtocol.NAME).addRoute(new RouteSpec("foo").addHop("dst/unknown")));
        assertSend("?foo");
        assertTrace("Ignoring errors in reply.");
    }
@author havardpe
@author Simon Thoresen Hult
messagebus/src/test/java/com/yahoo/messagebus/routing/RoutingTestCase.java