public void ClassRatioMoreThan50Percent()
        {
            ISpecification <Meeting> specs   = new ClassRatioSpecification(ratio => ratio > .5f);
            IEnumerable <Meeting>    courses = filter.Filter(meetings, specs);

            Assert.AreEqual(3, courses.Count());
        }
        public void ClassRatioNotFull()
        {
            ISpecification <Meeting> specs   = new ClassRatioSpecification(ratio => ratio < 1.0f);
            IEnumerable <Meeting>    courses = filter.Filter(meetings, specs);

            Assert.AreEqual(3, courses.Count());
        }