function testRemoveQueryItem()
 {
     $str = 'http://localhost/test.php?foo=bar&bar=foo';
     $uri = new lmbUri($str);
     $uri->removeQueryItem('bar');
     $this->assertEqual('foo=bar', $uri->getQueryString());
     $this->assertEqual('http://localhost/test.php?foo=bar', $uri->toString());
 }