Doctrine\OrientDB\Query\Query::alter PHP Method

    public function alter($class, $attribute, $value)
    {
        $commandClass = $this->getCommandClass('class.alter');
        $this->command = new $commandClass($class, $attribute, $value);
        return $this->command;
    }

 /**
  * @depends testClassCreate
  */
 public function testAlterClass($class)
 {
     $query = new Query();
     $query->alter($class, 'SUPERCLASS', 'OUser');
     $this->assertHttpStatus(204, $this->doQuery($query));
     return $class;
 }