public async Task AddCurrency(List <Currencies> currencies) { var currenciesController = new CurrenciesController(); for (int i = 0; i < currencies.Count; i++) { await currenciesController.AddCurrency(currencies[i]); var returnedCurrency = await currenciesController.GetCurrencies(currencies[i].Name); if (currencies[i] != returnedCurrency.Value) { Assert.Fail(); } } }