public async void SaveAsync_ChangesQuantity_OnAdd() { //Arrange var contextOptions = InMemoryUtils.ProduceFreshDbContextOptions(); //Act using (var context = new ApplicationDbContext(contextOptions)) { context.Resources.Add(ResourceUtils.TestSet.First()); IBasicRepositoryAsync <Resource, int> repo = new ResourcesRepository(context); await repo.SaveAsync(); } //Assert using (var context = new ApplicationDbContext(contextOptions)) { Assert.NotEmpty(context.Resources); } }