CBQE 0 Disable SASL bucket tests

Change-Id: I3633e3832719db60672f4485770164b5ad03332b
Reviewed-on: http://review.couchbase.org/34944
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Reviewed-by: Meenakshi Goel <meenakshi.goel@globallogic.com>
Tested-by: Meenakshi Goel <meenakshi.goel@globallogic.com>