public function testHandlersConfig()
{
$config = array('system' => array('ezdemo_site' => array('io' => array('binarydata_handler' => 'cluster', 'metadata_handler' => 'cluster'))));
$this->load($config);
$this->assertConfigResolverParameterValue('io.metadata_handler', 'cluster', 'ezdemo_site');
$this->assertConfigResolverParameterValue('io.binarydata_handler', 'cluster', 'ezdemo_site');
}