$tester = new PresenterTester($container->getByType('\Nette\Application\IPresenterFactory'));
$tester->setPresenter('Homepage');
$response = $tester->run();

$tester = new PresenterTester($container->getByType('\Nette\Application\IPresenterFactory'));
$tester->setPresenter('Article');
$tester->setAction('edit');
$tester->setHandle('form-save')
$tester->setParams(array('id' => 1));

$article = array(
  'content' => 'Lorem ipsum',
  'save' => 'save',
);

$tester->setPost($article);
$response = $tester->run();