def METHOD_NAME(self):
    path = os.path.join(self.tempdir, 'file_3_manual.ini')
    dns_test_common.write({"linode_key": TOKEN_V4, "linode_version": 3}, path)
    config = mock.MagicMock(linode_credentials=path,
                            linode_propagation_seconds=0)
    auth = Authenticator(config, "linode")
    auth._setup_credentials()
    client = auth._get_linode_client()
    assert 3 == client.api_version