public async void Update_Entity_Is_Not_Tracked() { Mock <ILogger <EventRelatedDocumentRepository> > loggerMoc = EventRelatedDocumentRepositoryMoc.GetLoggerMoc(); ApplicationDbContext context = EventRelatedDocumentRepositoryMoc.GetContext(); var repository = new EventRelatedDocumentRepository(loggerMoc.Object, context); EventRelatedDocument entity = new EventRelatedDocument(); context.Set <EventRelatedDocument>().Add(entity); await context.SaveChangesAsync(); await repository.Update(new EventRelatedDocument()); var modifiedRecord = context.Set <EventRelatedDocument>().FirstOrDefaultAsync(); modifiedRecord.Should().NotBeNull(); }