CBQE-1012: fix groups

Change-Id: I4620a39ae5a09732846d8af0d9ce1bf0941dae5a
Reviewed-on: http://review.couchbase.org/25543
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>