public CampaignByApplicationUserIdQueryHandlerShould()
{
message = new CampaignByApplicationUserIdQuery() { ApplicationUserId = Guid.NewGuid().ToString() };
campaign = new Campaign { Organizer = new ApplicationUser() { Id = message.ApplicationUserId } };
Context.Add(campaign);
Context.SaveChanges();
sut = new CampaignByApplicationUserIdQueryHandler(Context);
}