text: // tests that listDatabases doesn't show config db on a shard, even if it is there
  
  var test = new ShardingTest({shards: 1, mongos: 1, config: 1, other: {chunksize:1, separateConfig:true}})
  
  var mongos = test.s0
  var mongod = test.shard0;
  
  //grab the config db instance by name
  var getDBSection = function (dbsArray, dbToFind) {
      for(var pos in dbsArray) {
          if (dbsArray[pos].name && dbsArray[pos].name === dbToFind)
              return dbsArray[pos];
      }
      return null;
  }
  
  mongos.getDB("blah").foo.insert({_id:1})
  mongos.getDB("foo").foo.insert({_id:1})
  mongos.getDB("raw").foo.insert({_id:1})
  //wait for writes to finish
  mongos.getDB("raw").getLastError()
  
  //verify that the config db is not on a shard
  var res = mongos.adminCommand("listDatabases");
  var dbArray = res.databases;
  assert(getDBSection(dbArray, "config"), "config db not found! 1")
  assert(!getDBSection(dbArray, "config").shards, "config db is on a shard! 1")
  
  //add doc in config/admin db on the shard
  mongod.getDB("config").foo.insert({_id:1})
  mongod.getDB("admin").foo.insert({_id:1})
  
  //add doc in admin db (via mongos)
  mongos.getDB("admin").foo.insert({_id:1})
  
  //verify that the config db is not on a shard
  var res = mongos.adminCommand("listDatabases");
  var dbArray = res.databases;
  //check config db
  assert(getDBSection(dbArray, "config"), "config db not found! 2")
  assert(!getDBSection(dbArray, "config").shards, "config db is on a shard! 2")
  //check admin db
  assert(getDBSection(dbArray, "admin"), "admin db not found! 2")
  assert(!getDBSection(dbArray, "admin").shards, "admin db is on a shard! 2")
  
  test.stop()