'Rotation must be greater than or equal to zero
for backup requests'

def test_create_backup_negative_rotation(self):

    body = {'createBackup': {'name': 'Backup    1', 'backup_type': 'daily', 'rotation': (-1)}}
    self.assertRaises(self.validation_error, self.controller._create_backup, self.req, fakes.FAKE_UUID, body=body)
