public void DoesEventExistTrueTest()
        {
            var selectedDate = DateTime.Today;

            // Arrange
            var activity = new Activity {
                Name = "Test",
            };

            var activity2 = new Activity {
                Name = "Test2",
            };

            var ev1 = new Event {
                Name     = activity.Name,
                Activity = activity,
                DateTime = selectedDate
            };

            var ev2 = new Event {
                Name     = activity.Name,
                Activity = activity2,
                DateTime = selectedDate
            };

            IEnumerable <Event> events = new List <Event> {
                ev1, ev2
            };

            _eventRepo.Setup(x => x.GetEventsOn(selectedDate)).Returns(events);

            // Act
            var does = _sut.DoesEventExistForActivityAndDate(activity, selectedDate);

            // Assert
            Assert.IsTrue(does);
        }