CBQE-1503:add different version to upgrade tests

Change-Id: If1eb269d90a3bff9da1a114b5cd2f6aea357ff22
Reviewed-on: http://review.couchbase.org/28023
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>