Update the open db's test to check failure.
Update the open db's test to check failure.

Damien made a good point that we should check that the error is generated as expected before waiting as necessary for the active db's to go idle.



git-svn-id: c1f8a8ec0b3bb2e99ab3413722f81f687760e79c@884344 13f79535-47bb-0310-9956-ffa450edef68

cloudant/couchdb-couch,ngpestelos/couchdb-couch,cloudant/couchdb-couch,alanning/couchdb-couch,KlausTrainer/couchdb-couch,KlausTrainer/couchdb-couch,ngpestelos/couchdb-couch,fkaempfer/couchdb,smithsz/couchdb-couch,ngpestelos/couchdb-couch,cloudant/couchdb-couch,apache/couchdb-couch,fkaempfer/couchdb,smithsz/couchdb-couch,KlausTrainer/couchdb-couch,fkaempfer/couchdb,alanning/couchdb-couch,apache/couchdb-couch,fkaempfer/couchdb,smithsz/couchdb-couch,alanning/couchdb-couch,apache/couchdb-couch,fkaempfer/couchdb,fkaempfer/couchdb