anchor.diff:  _fortunesTest(HttpConnect connect) {
     
     return _connectionPool.connect().then((connection) {
  -    return connection.query('SELECT "id", "message" FROM "Fortune";')
  +    return connection.query('SELECT "id", "message" FROM "fortune";')
           .map((row) => new Fortune(row[0], row[1]))
             .toList()
               .whenComplete(() { connection.close(); });
  
positive.code: _query() {
    return _connectionPool.connect().then((connection) {
      return connection
        .query('SELECT "id", "randomnumber" FROM "World" WHERE id = @id;', { 'id': _RANDOM.nextInt(_WORLD_TABLE_SIZE) + 1 })
        .single
        .then((row) =>new World(row[0], row[1]))
        .whenComplete(() {
  
negative.code:        var mongoConfig = yaml.loadYaml(config);
         _mongoDb = new Db("mongodb://${mongoConfig["host"]}/${mongoConfig["database"]}");
         return _mongoDb.open().then((_) {
           _worldCollection = _mongoDb.collection("world");
           _fortuneCollection = _mongoDb.collection("fortune");
         });
       })
     ]).then((_) {
  