public async Task HeatEstatesDetailsTest() { var optionBuilder = new DbContextOptionsBuilder <ApplicationDbContext>() .UseInMemoryDatabase("testDb3"); var dbContext = new ApplicationDbContext(optionBuilder.Options); var service = new HeatEstateService(dbContext); var heatEstate = new HeatEstateInputModel { AbNumber = "13000999888", Address = "testAddress" }; await service.CreateAsync(heatEstate); var result = service.DetailsAsync("13000999888"); Assert.NotNull(result); Assert.Equal("13000999888", result.Result.AbNumber); }