CBQE-2304 add upload test

Change-Id: I5cdef1f936a0c1652bca50cd9630f71f6dbb48a2
Reviewed-on: http://review.couchbase.org/39508
Reviewed-by: Thuan Nguyen <soccon@gmail.com>
Tested-by: Thuan Nguyen <soccon@gmail.com>