public void EQTest()
        {
            LinqToSparqlExpTranslator<Track> target = new LinqToSparqlExpTranslator<Track>();
            target.TypeTranslator = new XsdtTypeConverter();

            Expression e = Expression.Equal(Expression.Constant(10), Expression.Constant(15));
            StringBuilder sb = new StringBuilder();
            target.StringBuilder = sb;
            target.Equal(e);
            string actualResult = sb.ToString();
            string expectedResult = "10 = 15";
            Assert.AreEqual(expectedResult, actualResult);
        }