public void ChangeCurrencyIndexPage(string currencyISO) { _indexPage = _indexPage.ChangeCurrency(currencyISO); Assert.That(currencyISO, Is.EqualTo(_indexPage.CurrencyType)); Assert.IsTrue(_indexPage.PostcardPrices.All(c => c.Contains(currencyISO))); Assert.IsTrue(_indexPage.CaruselPrices.All(c => c.Contains(currencyISO))); }