old_contents: def test_right_arrows(page):
      page.goto("index.html")
      while(True):
          # Keeps going to the next page until there is no right arrow
          right_arrow = page.query_selector("//*[@id='relations-next']/a")
          if(right_arrow):
              page.click("//*[@id='relations-next']/a")
              page.wait_for_load_state()
          else:
              break
  
  # TODO make a similar test but going from de last page
  # to the previous one until it gets to the first one
  
new_contents: def get_menu_titles(page) -> list:
      page.goto("index.html")
      page.wait_for_load_state()
      menu_list = page.query_selector_all("//*[@class='toctree-wrapper compound']/ul/li/a")
  
      menu_titles = []
      for i in menu_list:
          menu_item = i.as_element().inner_text()
          menu_titles.append(menu_item)
  
      return menu_titles
  
  
  def test_check_titles(page):
      menu_list = get_menu_titles(page)
      page.goto("index.html")
      page.wait_for_load_state()
  
      for menu_item in menu_list:
          right_arrow = page.query_selector("//*[@id='relations-next']/a")
          if(right_arrow):
              page.click("//*[@id='relations-next']/a")
              page.wait_for_load_state()
              page_title = page.title()
              page_title = page_title.split(" — ")[0]
              assert page_title == menu_item
          else:
              break
  
subject: Implement assertions and a for instead of a while loop