public TasksByApplicationUserIdQueryHandlerShould() { message = new VolunteerTasksByApplicationUserIdQuery { ApplicationUserId = Guid.NewGuid().ToString() }; alreadyTask = new VolunteerTask { Name = "name" }; task = new VolunteerTaskSignup { User = new ApplicationUser { Id = message.ApplicationUserId }, VolunteerTask = alreadyTask }; Context.Add(alreadyTask); Context.Add(task); Context.SaveChanges(); sut = new VolunteerTasksByApplicationUserIdQueryHandler(Context); }