Comment 7 for bug 1828663

Using gparted (which requires root access to the block storage devices) "test" user fails whilst original "lubuntu" user is successful:

# In "lubuntu" user's GUI terminal emulator:

lubuntu@lubuntu:~$ gparted
localuser:root being added to access control list
======================
libparted : 3.2
======================
localuser:root being removed from access control list

# In "test" user's GUI terminal emulator:

test@lubuntu:~$ gparted
localuser:root being added to access control list
Error executing command as another user: Not authorized

This incident has been reported.
localuser:root being removed from access control list