/**
  * Creates a pre-configured response for testing.
  *
  * @return Zend_Controller_Response_HttpTestCase
  */
 protected function createResponse()
 {
     $response = new Zend_Controller_Response_HttpTestCase();
     $response->setHttpResponseCode(200);
     $response->setHeader('Content-Type', 'text/html', true);
     $response->setHeader('X-Multiple-Times', 'a', false);
     $response->setHeader('X-Multiple-Times', 'b', false);
     $response->setHeader('X-Multiple-Times', 'c', false);
     $response->setBody('Hello world!');
     return $response;
 }