MB:100 import missed in newupgradebasetests

Change-Id: I6a5f97b712b5afb73bb22dfc6bdf0f0d1b0e0fba
Reviewed-on: http://review.couchbase.org/23846
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>