MB-100: Correction in nonroottests

Change-Id: I165a6f07ea790a7a78a1a52de8c42d081f24488b
Reviewed-on: http://review.couchbase.org/28489
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>