CBQE-1136: fix Errno 104 ConResByPeer for rebout tests

Change-Id: I56731d79272c6b79fcea6979736c6c64d5dbe6b3
Reviewed-on: http://review.couchbase.org/25222
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>