code: def html(self):
          
  
          page = self.get_html_head()
          page += "<body><h1>Test Report</h1>"
          page += self.toc()
          for suite in self.suites:
              page += suite.html()
          page += "</body></html>"
  
          return page
docs: Render the test suite as a HTML report with links to errors first.
          :return: