/**
  * {@inheritdoc}
  *
  * @param array                    $responseData
  * @param FilesListPayloadResponse $payloadResponse
  */
 protected function assertResponse(array $responseData, PayloadResponseInterface $payloadResponse)
 {
     $files = $payloadResponse->getFiles();
     $this->assertCount(1, $files);
     foreach ($files as $x => $file) {
         $this->assertFile($responseData['files'][$x], $file);
     }
 }