test: Properly test (failing) LvTransfer operation
test: Properly test (failing) LvTransfer operation

Signed-off-by: Si Beaumont <a0992b7f1f450b4c7716d34b81a2d6f0877ae11a@citrix.com>

djs55/mirage-block-volume,simonjbeaumont/mirage-block-volume