@Test(expected = IOException.class)
  public void testNoRouteToHost() throws Exception {
    selector.connect(new InetSocketAddress("asdf.asdf.dsc", server.port), DEFAULT_SOCKET_BUF_SIZE,
        DEFAULT_SOCKET_BUF_SIZE, PortType.SSL);
  }
Sending a request to a node with a bad hostname should result in an exception during connect
ambry-network/src/test/java/com/github/ambry/network/SSLSelectorTest.java