public async Task Then_The_NationalAchievementRateOverall_Items_Are_Added() { //Act await _repository.InsertMany(_items); //Assert _courseDeliveryDataContext.Verify(x => x.NationalAchievementRateOverall.AddRangeAsync(_items, It.IsAny <CancellationToken>()), Times.Once); _courseDeliveryDataContext.Verify(x => x.SaveChanges(), Times.Once); }