def check_label_pr(level = :fail)
      message = 'The PR should have at least one label added to it.'

      report(level, message) if github.pr_labels.nil? || github.pr_labels.empty?
    end
def check_label_pr(level = :fail)
      message = 'The PR should have at least one label added to it.'

      report(level, message) if github.pr_labels.nil? || github.pr_labels.empty?
    end
Check if the PR has at least one label added to it.

 @param  [Symbol] level (Default: :fail)
         The report level (:fail, :warn, :message) if the check fails [report](#report)
 @return [void]