public void QualifiedCertification()
{
var course = new Course(5, "Microsoft SQL Server Database Development");
var exam = new Exam(6, "70-433", "Microsoft SQL Server 2008, Database Development");
var certification = new Certification(5, "MCTS", "Microsoft Certified Technical Specialist in SQL Server 2008, Database Development");
var certificationRequirement = new CertificationRequirement(certification, exam, course);
_student.PassExam(exam);
List <int> qualifyCertifications = _student.GetStudentCertificationIds(new List <CertificationRequirement>()
{
certificationRequirement
});
Assert.Equal(5, qualifyCertifications.Single());
}