/**
  * Throw an error when we have a rubbish proxy.
  * 
  * @expectedException ProgrammesPlant\ProxyNotFound
  * @expectedExceptionMessage Proxy server http://this.is.not.a.proxy.server.at.all could not be found, DNS lookup failed.
  */
 public function testguzzle_requestThrowsExceptionOnCurlProxyProblem()
 {
     $pp = new PP('http://example.com');
     $pp->set_proxy('http://this.is.not.a.proxy.server.at.all');
     $pp->guzzle_request('');
 }