def test_leitura_campo_alfa(self):
        self.assertEqual(self.header_arquivo.cedente_nome,
                         'TRACY TECNOLOGIA LTDA ME')
def __init__(
        self, minimum=None, maximum=None, choices=None, optional=False
    ):
        self._required = not optional
        self._minimum = minimum
        self._maximum = maximum
        self._choices = choices