def render_file_set_status
      @file_set_status ||=
        if relevant_log_records.empty?
          "Fixity checks have not yet been run on this object"
        elsif failing_checks.empty?
          content_tag("span", "passed", class: "label label-success") + ' ' + render_existing_check_summary
        else
          content_tag("span", "FAIL", class: "label label-danger") + ' ' + render_existing_check_summary + render_failed_compact
        end
    end
def render_file_set_status
      @file_set_status ||=
        if relevant_log_records.empty?
          "Fixity checks have not yet been run on this object"
        elsif failing_checks.empty?
          content_tag("span", "passed", class: "label label-success") + ' ' + render_existing_check_summary
        else
          content_tag("span", "FAIL", class: "label label-danger") + ' ' + render_existing_check_summary + render_failed_compact
        end
    end
Note this takes a file_set_id NOT a FileSet, easy use from either solr
 or AF object.
 Returns a html_safe string communicating fixity status checks,
 possibly on multiple files/versions.