def test_credentialsWithBadKey(self):
        self.credentials.blob = b''
        self.failureResultOf(self.checker.requestAvatarId(self.credentials),
                             keys.BadKeyError)
Downloads the contents of the stored file specified by file_id and
dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_checkers.py/SSHPublicKeyCheckerTests.test_credentialsWithBadKey--crossover with--dataset/ETHPy150Open mongodb/mongo-python-driver/gridfs/__init__.py/GridFSBucket.download_to_stream