Prefix all the test names with cbsasl

Change-Id: I48baae330ca85144e568e2c3d0ac76cee9823d5c
Reviewed-on: http://review.couchbase.org/30455
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>