public async Task ReadById_Success() { var serviceProvider = GetServiceProvider(); var stockServiceMock = new Mock <IGarmentLeftoverWarehouseStockService>(); stockServiceMock.Setup(s => s.StockIn(It.IsAny <GarmentLeftoverWarehouseStock>(), It.IsAny <string>(), It.IsAny <int>(), It.IsAny <int>())) .ReturnsAsync(1); serviceProvider .Setup(x => x.GetService(typeof(IGarmentLeftoverWarehouseStockService))) .Returns(stockServiceMock.Object); GarmentLeftoverWarehouseExpenditureAvalService service = new GarmentLeftoverWarehouseExpenditureAvalService(_dbContext(GetCurrentMethod()), serviceProvider.Object); var data = await _dataUtil(service, GetCurrentMethod()).GetTestDataFabric(); var result = await service.ReadByIdAsync(data.Id); Assert.NotNull(result); }