Add upr stream test cases for consumer close stream api

Change-Id: Ibc1424e2a6a1a3107b1605d19a7654d335e7a91e
Reviewed-on: http://review.couchbase.org/32351
Reviewed-by: Chiyoung Seo <chiyoung@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>