public void DiffWords()
    {
        var result = d.DiffWords(
            "Soft drinks, coffees, teas, beers, and ginger ales",
            "Soft drinks, coffees, teas and beers");

        var str = result.ToString("");

        Assert.Equal("Soft drinks, coffees, teas-,- -beers-, and -ginger- -ales+beers", str);
    }
        public void DiffWords()
        {
            var result = _stringDistance.DiffWords(
                "Soft drinks, coffees, teas, beers, and ginger ales",
                "Soft drinks, coffees, teas and beers");

            var str = result.ToString(string.Empty);

            _output.WriteLine(str);

            Assert.True("Soft drinks, coffees, teas-,- -beers-, and -ginger- -ales+beers" == str);
        }