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