Revert "テスト"

This reverts commit ce200f06ddb1e85948e76259e5f633b4d43a2038.
Revert "Revert "タスクの実行_完成""

This reverts commit ee572fdd74157958a9f7f9f7cd9ec29912ce3038.
Revert "Revert "並べ替え機能_削除_途中""

This reverts commit 842870838e80b3277802a28919072c48d8bb2a2c.
Revert "並べ替え機能_削除_途中"

This reverts commit bc8daaae85d5f5dbd401a29f1892545f6f6100c4.
テスト