async function createDigest(_, res) {
  const digest = createContentDigest(`hello world`)
  console.info(`Cool, we made a digest we won't actually use: ${digest}`)
  res.send(`hello world`) // Return a consistent string to make assertion easier
}
gatsby-core-utils bundles all re-exported modules from index at present, and since it
has lmdb as a dependency functions bundling would fail.

We now ignore lmdb requires during functions bundling, and as a result this should
bundle successfully.