def test_leitura_campo_alfa(self):
        self.assertEqual(self.header_arquivo.cedente_nome,
                         'TRACY TECNOLOGIA LTDA ME')
def _invert_results(self, candidates):
        inverted_candidates = list(self.directory)

        for candidate in candidates:
            try:
                inverted_candidates.remove(candidate)
            except ValueError:
                pass

        return inverted_candidates