function getNodes(dom) {
  const base = dom.querySelector(`[data-testid=base]`)
  const title = dom.querySelector(`[data-testid=title]`)
  const meta = dom.querySelector(`[data-testid=meta]`)
  const noscript = dom.querySelector(`[data-testid=noscript]`)
  const style = dom.querySelector(`[data-testid=style]`)
  const link = dom.querySelector(`[data-testid=link]`)
  const jsonLD = dom.querySelector(`[data-testid=jsonLD]`)
  return { base, title, meta, noscript, style, link, jsonLD }
}
This test ensures that the head elements actually end up in the SSR'ed HTML.

The production-runtime e2e test does the same but in the browser, and we want to make sure
that we're not being tricked by the browser runtime inserting head elements.