public void DeleteCasePreview()
{
_summariesUnitOfWork.Setup(item => item.Find <Domain.Summaries.Case.Case>(It.IsAny <Guid>(), TrackingMode.Automatic, ThrowIf.Anything))
.Returns(_case);
var deletedPreview = _deleteService.DeleteCasePreview(_case.Id);
deletedPreview.Should().NotBeNull();
deletedPreview.Cases.Should().HaveCount(1);
}