public void GetExchangeRate_Integration_Test()
{
CurrencyService serv = new CurrencyService();
decimal rate = serv.GetExchangeRate("USD", "JPY");
Assert.That(rate, Is.Not.EqualTo(0));
}
public void GetCurrencies_Integration_Test()
{
CurrencyService serv = new CurrencyService();
Dictionary<string, string> currencies = serv.GetCurrencies();
Assert.That(currencies, Is.Not.Empty);
}
