public void Arrange()
        {
            _fixture = new Fixture();

            _mockIncentiveDomainRepository = new Mock <IApprenticeshipIncentiveDomainRepository>();
            _mockCollectionCalendarService = new Mock <ICollectionCalendarService>();

            _activePeriod = CollectionPeriod(2, 2020);
            _activePeriod.SetActive(true);

            var collectionPeriods = new List <Domain.ValueObjects.CollectionCalendarPeriod>()
            {
                CollectionPeriod(1, 2020),
                _activePeriod,
                CollectionPeriod(3, 2020)
            };

            _mockCollectionCalendarService.Setup(m => m.Get()).ReturnsAsync(new Domain.ValueObjects.CollectionCalendar(collectionPeriods));

            _fixture.Register(ApprenticeshipIncentiveCreator);

            _sut = new WithdrawCommandHandler(_mockIncentiveDomainRepository.Object, _mockCollectionCalendarService.Object);
        }