public void TC23_GetStudentCourseReport_NotEmpty()
        {
            Student       student       = new Student("HE141010", "Tung", "Ha Vu Son", 21, "*****@*****.**");
            Course        course        = new Course("1", "Discrete Mathematics");
            StudentCourse studentCourse = new StudentCourse("1", "HE141010", "termWhat?");
            IManager      manager       = new Manager();

            manager.AddCourse(course);
            manager.AddStudent(student);
            manager.AddStudentCourse(studentCourse);
            string output = studentCourse.ToString();
            string actual = String.IsNullOrEmpty(output) ? "\nStudent Course List is Empty!!\n" : "\n" + output + "\n";

            Assert.AreEqual(actual, manager.GetStudentCourseReport());
        }