@Test
public void testStandaloneClient() throws IOException {

  try {
    TestProtocol proxy = RPC.waitForProxy(TestProtocol.class,
      TestProtocol.versionID, new InetSocketAddress(ADDRESS, 20), conf, 15000L);
    proxy.echo("");
    fail("We should not have reached here");
  } catch (ConnectException ioe) {
    //this is what we expected
  }
}