/**
  * @inheritdoc
  *
  * @param array                 $responseData
  * @param ImListPayloadResponse $payloadResponse
  */
 protected function assertResponse(array $responseData, PayloadResponseInterface $payloadResponse)
 {
     $channels = $payloadResponse->getImChannels();
     $this->assertCount(1, $channels);
     foreach ($channels as $x => $channel) {
         $this->assertImChannel($responseData['ims'][$x], $channel);
     }
 }