@Test public void testClientServerCom() throws IOException, InterruptedException { int port = 14322; ServerAcseSap serverAcseSAP = new ServerAcseSap(port, 0, null, new SampleServer()); serverAcseSAP.serverTSap.setMessageTimeout(6000); serverAcseSAP.startListening(); Socket socket = new Socket("localhost", port); DataOutputStream dataOutputStream = new DataOutputStream(new BufferedOutputStream(socket.getOutputStream())); dataOutputStream.write(iso8073ConPacket); dataOutputStream.write(mmsConPacket); dataOutputStream.flush(); Thread.sleep(2000); Assert.assertTrue(success); serverAcseSAP.stopListening(); }