public function testResponseHeadersWithFileName()
 {
     $model = $this->serviceManager->get('PdfModel');
     $model->setTemplate('basic.phtml');
     $model->getPdfOptions()->setFilename('testPdfFileName');
     $model->getPdfOptions()->setFooterLines([['text' => 'top line', 'position' => 'center', 'font' => ['family' => 'Helvetica', 'weight' => 'normal', 'size' => 8]], ['text' => 'second line', 'position' => 'left', 'font' => ['family' => 'Helvetica', 'weight' => 'normal', 'size' => 8]], ['text' => 'third line', 'position' => 'right', 'font' => ['family' => 'Helvetica', 'weight' => 'normal', 'size' => 8]]]);
     $model->getPdfOptions()->setHeaderLines([['text' => 'first line', 'position' => 'center', 'font' => ['family' => 'Helvetica', 'weight' => 'normal', 'size' => 8]]]);
     $this->event->setModel($model);
     $this->event->setResponse($this->response);
     $this->event->setRenderer($this->renderer);
     $this->event->setResult($this->renderer->render($model));
     $this->strategy->injectResponse($this->event);
     $headers = $this->event->getResponse()->getHeaders();
     $contentDispositionHeader = $headers->get('Content-Disposition');
     $this->assertInstanceof('Zend\\Http\\Header\\ContentDisposition', $contentDispositionHeader);
     $this->assertEquals($contentDispositionHeader->getFieldValue(), 'attachment; filename=testPdfFileName.pdf');
     ob_end_flush();
 }