def test_can_withdraw_money_cant_withdraw(self):
     new_cash_desk = CashDesk()
     new_cash_desk.take_money({1: 2, 100: 3})
     self.assertFalse(new_cash_desk.can_withdraw_money(105))
 def test_can_withdraw_money_not_all_money(self):
     new_cash_desk = CashDesk()
     new_cash_desk.take_money({1: 2, 100: 3})
     self.assertTrue(new_cash_desk.can_withdraw_money(301))