code: def toc(self):
          
          if len(self.suites) > 1:
              tochtml = "<ul>"
              for suite in self.suites:
                  tochtml += '<li><a href="#{anchor}">{name}</a></li>'.format(
                          anchor=suite.anchor(),
                          name=tag.text(suite.name))
              tochtml += "</ul>"
              return tochtml
          else:
              return ""
docs: If this report has multiple suite results, make a table of contents listing each suite
          :return: