@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);
}