public void AddClass_AcceptableClass_AddsClassSuccessfully()
        {
            // Arrange
            var acceptableClass = new Class
            {
                Day         = DayOfWeek.Monday,
                EndTime     = DateTime.Parse("12:00 PM"),
                Instructors = "Mary Joe",
                Location    = "Mendel 154",
                Name        = "CSC 1210",
                Section     = "001",
                StartTime   = DateTime.Parse("8:05 AM"),
                Title       = "Introduction to Programming with Java"
            };
            const int addedClassCount      = 1;
            int       expectedClassesCount = _timeSlot.OccupiedSpacesCount + addedClassCount;

            // Act
            _timeSlot.AddClass(acceptableClass);
            int actualClassesCount = _timeSlot.OccupiedSpacesCount;

            // Assert
            Assert.Equal(expectedClassesCount, actualClassesCount);
        }