Import test codes from https://github.com/sisimai/p5-Sisimai/blob/d4d92559b662ca48c69a801ae143fd362c8cb3f3/xt/023-ced-children.t
Import test codes from https://github.com/sisimai/p5-Sisimai/blob/d4d92559b662ca48c69a801ae143fd362c8cb3f3/xt/023-ced-children.t

azumakuniyuki/rb-Sisimai,azumakuniyuki/rb-Sisimai