def METHOD_NAME(self):
    self.linter.validate({
        'services': {
            'memcached': {
                'charm': 'cs:precise/memcached',
                'num_units': 1,
            },
        }
    })
    self.assertIn(
        'W: memcached: No annotations found, will render '
        'poorly in GUI',
        self.linter.lint)