/**
  * @medium
  */
 public function testOrderURI()
 {
     $this->_instances->addTypeFilter($this->_class);
     $this->assertCount(2, $this->_instances->getResources());
     $this->_instances->orderByUri(true);
     $r = $this->_instances->getResources();
     //var_dump($r);
     $this->assertEquals($r[0]['uri'], 'http://model.org/model#i1');
     $this->_instances->orderByUri(false);
     $r = $this->_instances->getResources();
     $this->assertEquals($r[0]['uri'], 'http://model.org/model#i2');
 }