CBQE-0: add simplier query to debug the bug

Change-Id: Ic8f436b0bd4268ed8e68e4dbdae8d770bf80c6c1
Reviewed-on: http://review.couchbase.org/43650
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>