Doctrine\OrientDB\Query\Query::grant PHP Method

    public function grant($permission)
    {
        $commandClass = $this->getCommandClass('grant');
        $this->command = new $commandClass($permission);
        return $this->command;
    }

 public function testGrantCredentials()
 {
     $query = new Query();
     $query->grant('READ')->to('reader')->on('Address');
     $this->assertHttpStatus(200, $this->doQuery($query));
 }