def test_shareholders_equity_fail(self):
     with self.client:
         stock = Stock('NASDAQ', 'TSLAA')
         self.assertFalse(stock._compute_shareholders_equity())
 def test_shareholders_equity_success(self):
     with self.client:
         stock = Stock('NASDAQ', 'TSLA')
         self.assertTrue(stock._compute_shareholders_equity())