CBQE-2442:n1ql negative tests

Change-Id: I8ac030eda57e4f5e61a9eef50c4fab64dd87a096
Reviewed-on: http://review.couchbase.org/42518
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>