public async void Update_Entity_Is_Not_Tracked() { Mock <ILogger <OfficerCapabilitiesRepository> > loggerMoc = OfficerCapabilitiesRepositoryMoc.GetLoggerMoc(); ApplicationDbContext context = OfficerCapabilitiesRepositoryMoc.GetContext(); var repository = new OfficerCapabilitiesRepository(loggerMoc.Object, context); OfficerCapabilities entity = new OfficerCapabilities(); entity.SetProperties(default(int), 1, 1); context.Set <OfficerCapabilities>().Add(entity); await context.SaveChangesAsync(); context.Entry(entity).State = EntityState.Detached; await repository.Update(entity); var records = await context.Set <OfficerCapabilities>().ToListAsync(); records.Count.Should().Be(2); }