@Test
public void test2() throws Exception {

    // Arrange
    byte[][] args = new byte[1][];
    args[0] = new byte[]{(byte) Command.DELETE.ordinal()};
    DeleteCommand d = new DeleteCommand(null);
    // Action
    ReplyMessage reply = d.run(1, args);
    // Assert
    assertEquals(reply, ErrorMessage.WrongArgcMessage);
}