1 - Unmount /dev/sda1 (8.00 GiB) at /test -> 2
2 - Shrink ext4 on /dev/sda1 from 8.00 GiB to 6.00 GiB -> 3 4
3 - Shrink partition /dev/sda1 from 8.00 GiB to 6.00 GiB -> 4
4 - Mount /dev/sda1 (6.00 GiB) at /test ->
