Doctrine\OrientDB\Query\Query::findReferences PHP Method

    public function findReferences($rid, array $classes = array(), $append = true)
    {
        $commandClass = $this->getCommandClass('references.find');
        $this->command = new $commandClass($rid);
        $this->command->in($classes, $append);
        return $this->command;
    }

 public function testFindReferences()
 {
     $query = new Query();
     $query->findReferences('19:0');
     $this->assertHttpStatus(200, $this->doQuery($query));
 }