func/test: change functional test output for __vdi_list

Change output of functional test using __vdi_list
in assosiation with adding block_size_shift information
to vdi list command.

Signed-off-by: Teruaki Ishizaki <ishizaki.teruaki@lab.ntt.co.jp>
Signed-off-by: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Revert "dog: revert the change for output of "dog vdi list" manually"

This reverts commit 0dbbc3cf45e603d144f31a6bba736dbc11ee19d6.

Signed-off-by: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>