overlay/043: require and enable redirect_dir This test renames a merge directory so it needs to enable redirect_dir feature, which is not enabled by default. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>