def METHOD_NAME(self):
    with fakedirs() as (admin_dir, vendor_dir, runtime_dir):
        create_conf(admin_dir, '[test]\nnum = 1\n')
        create_dropin(admin_dir, '51.conf', '[test]\nnum = 51\n')
        create_dropin(vendor_dir, '52.conf', '[test]\nnum = 52\n')
        create_dropin(runtime_dir, '53.conf', '[test]\nnum = 53\n')
        cfg = config.load('vdsm')
        self.assertEqual(cfg.getint('test', 'num'), 53)