QA:EXT 4 fs encrypted

= Description = | Ext 4 fs encrypted

= How to test = |
 * 1) Boot the installer
 * 2) Advance to the (ddruid) partitioning screen
 * 3) Create a new (or use existing) partition
 * 4) Assign a non-/boot mount point to the LVM LV, choosing ext4 fs type
 * 5) select "encrypt" for the partition
 * 6) complete installation
 * 7) reboot into post-install system

= Expected Results = |
 * 1) installation completes successfully
 * 2) post-installation system boots
 * 3) ext4 filesystem is correctly identified as encrypted block device and mounted
 * 4) ext4 filesystem entry is present in /etc/crypttab