CBQE-927: add offline upgrade with expiration tests

Change-Id: I791c12ff4dc589cc1b2216361b163e5514112a3b
Reviewed-on: http://review.couchbase.org/27130
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>