public async Task AddAttributeToChecklist()
{
AssesmentModuleId moduleId = await NewModule();
AssesmentChecklistId checklistId = await NewChecklist(moduleId);
AssesmentChecklistId id = await Sut.AddChecklistAttributesAsync(moduleId, checklistId, new List <AssesmentAttributeId>() {
await Sut.AddAttributeAsync(moduleId, new Name("Check list 1"), new Code("CHK1"), CancellationToken.None)
}, CancellationToken.None);
}