Revert "Skip tests for transfering volumes when volumes are encrypted by LUKS"

This reverts commit 01baaf5d88f1ace9ff6d2293e557f2710bf45745.

Reason for revert: attach_encrypted_volume is always True so test will be skipped for all deployments (but we don't want that)

Change-Id: I735ff39522bf7d0adfa7fa7797d81712134840e9
1 file changed