assertEquals(FtpConst.Replyes.REPLY_230, client.executeCommand(new CmdPass("admin")));
assertEquals(FtpConst.Replyes.REPLY_215, client.executeCommand(new CmdSyst()));
assertEquals(FtpConst.Replyes.REPLY_227, client.executeCommand(new CmdPasv()));
CmdRetr cmdRetr = new CmdRetr("/production/test_file.txt");
assertEquals(FtpConst.Replyes.REPLY_226, client.executeCommand(cmdRetr));
byte[] fileContent = cmdRetr.getFileContent();
assertEquals(fileContent.length, FILE_CONTENT.length());
for (int i = 0; i < fileContent.length; i++)