def test_leitura_campo_num_int(self):
        self.assertEqual(self.header_arquivo.controle_banco, 341)
def test_impl(n):
            df = pd.DataFrame({'A': np.ones(n), 'B': np.random.ranf(n)})
            df['moving average'] = df.A.rolling(window=5, center=True).mean()
            return df['moving average'].sum()