### Question:
BoonClient implements Client { public void flush() { for (ClientProxy clientProxy : clientProxies) { clientProxy.clientProxyFlush(); } httpServerProxy.flush(); } BoonClient(final String uri,
                      final HttpClient httpClient,
                      final int requestBatchSize,
                      final BeforeMethodSent beforeMethodSent); void stop(); @Override boolean connected(); void flush(); T createProxy(final Class<T> serviceInterface, final String serviceName); T createProxy(final Class<T> serviceInterface, final String serviceName, final String returnAddressArg); void start(); void startWithNotify(final Runnable runnable);  }### Answer:
@Test public void testFlush() throws Exception { client.flush(); }