LVM FS module reports failure due to still having changes

[rebeccaskinner]

The LVM FS module is failing due to a report that the FS is still needs to be mounted after apply:

root/lvm.volumegroup.vg-test:
 Messages:
 Has Changes: yes
 Changes: No changes

root/lvm.logicalvolume.lv-test:
 Messages:
  WARN: real device path '/dev/mapper/test-test' diverge with planned ''
 Has Changes: yes
 Changes: No changes

root/filesystem.mnt-me:
 Error: root/filesystem.mnt-me still has changes after apply
 Messages:
 Has Changes: yes
 Changes:
  /mnt: "<none>" => "mount /mnt"

Errors:
 * root/filesystem.mnt-me: root/filesystem.mnt-me still has changes after apply

Summary: 1 errors, 2 changes

[arichardet]

#557