def test_price_to_earnings_ratio_success(self):
with self.client:
stock = Stock('NASDAQ', 'AAPL')
self.assertTrue(stock._get_price_to_earnings_ratio())
def test_price_to_earnings_ratio_fail(self):
with self.client:
stock = Stock('NASDAQ', 'TSLAA')
self.assertFalse(stock._get_price_to_earnings_ratio())