def METHOD_NAME(self):
    currencies = find_prices.find_currencies_priced(self.entries)
    self.assertEqual({('XSP', 'USD'), ('GBP', 'USD'), ('GBP', 'CAD')}, currencies)
    currencies = find_prices.find_currencies_priced(self.entries,
                                                    datetime.date(2015, 12, 1))
    self.assertEqual({('GBP', 'USD'), ('GBP', 'CAD')}, currencies)