def test_fetch(self):
        """
        Will fetch if told not to.
        """
        (retcode, stdout, stderr) = self.gscommand('git-sweep preview')

        self.assertResults('''
            Fetching from the remote
            No remote branches are available for cleaning up
            ''', stdout)

        Will fetch if told not to.
        
src/gitsweep/tests/test_cli.py