@AfterEach
    public void tearDown() {
        dstSession.destroy();
        srcSession.destroy();
        // wait for session unregister visible:
        assertTrue(srcServer.waitSlobrok(dstSessName, 0));
    }
@author havardpe
@author Simon Thoresen Hult
messagebus/src/test/java/com/yahoo/messagebus/routing/RoutingTestCase.java