CBQE-0: fix starting tuq tng

Change-Id: I375bc595018abdce2ac634c54887308857e851ef
Reviewed-on: http://review.couchbase.org/29679
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>