public void EnrolleeValidator_EnrolleeIsAdult_IsChild()
        {
            var rule = new EnrolleeIsAdult();

            enrollee.DateOfBirth = DateTime.Today.AddYears(-16);
            Assert.IsFalse(rule.IsSatisfiedBy(enrollee));
        }
        public void EnrolleeValidator_EnrolleeIsAdult_Succeeds()
        {
            var rule = new EnrolleeIsAdult();

            Assert.IsTrue(rule.IsSatisfiedBy(enrollee));
        }