    @Test
    public void test2() throws Exception {

        byte[][] args = new byte[2][];
        args[0] = new byte[]{(byte) Command.SET.ordinal()};
        args[1] = "abc".getBytes();
        SetCommand s = new SetCommand(null, null);
        ReplyMessage reply = s.run(2, args);
        assertEquals(reply, ErrorMessage.WrongArgcMessage);
    }