CBQE-2061 Automation of pause-resume CLI tests

Change-Id: I1a924b7899e498a685d344272ba02ee43cdd6322
Reviewed-on: http://review.couchbase.org/34798
Tested-by: Aruna Piravi <aruna@couchbase.com>
Reviewed-by: Aruna Piravi <aruna@couchbase.com>