### Question:
NetworkService { public SocketClient startConnection(String ip, int port) { SocketClient client = new SocketClient(); try { client.startConnection(ip, port); } catch (IOException e) { log.error("error", e); } return client; }  SocketClient startConnection(String ip, int port); SocketClient getConnectionWithRetry(String ip, int port); SocketClient getConnectionWithRetries(String ip, int port, int retries, long retrySleep);  }### Answer:
@Test public void getConnection_네트워크_연결_안됨() throws IOException { NetworkService networkService = new NetworkService(); networkService.startConnection("localhost", 123); }