public void IsCorrectIncorrectDataTest()
        {
            List <Note> notes = new List <Note>()
            {
                new Note(new Duration(1, 8)),
                new Note(new Duration(1, 8)),
                new Note(new Duration(1, 4))
            };
            Duration duration = new Duration(3, 4);
            Beat     beat     = new Beat(duration, notes);

            bool actualBool = beat.IsCorrect();

            Assert.False(actualBool);
        }