/**
  * Import the passed cases.
  *
  * @param $cases
  */
 private function importCases($cases)
 {
     $this->output->progressStart(count($cases));
     foreach ($cases as $case) {
         $issue = $this->vendor->importTask($case);
         if (array_key_exists('errors', $issue)) {
             array_push($this->omitted_cases, ['id' => $case['id'], 'errors' => $issue['errors']]);
         } elseif (array_key_exists('exists', $issue)) {
             array_push($this->omitted_cases, ['id' => $case['id'], 'errors' => 'The issue already exist. #' . $issue['id']]);
         } else {
             array_push($this->imported_issues, $issue[0]);
         }
         $this->output->progressAdvance();
     }
     $this->output->progressFinish();
 }