check:gospel-internet renders every panel in zh, ru and hi too

The production bar's cell E names en, ar, zh, ru and hi; the render check
measured two. It now server-renders the board in all five and requires
each panel to render with no error and the board's text to be the
locale's, not English.

plugin-designs/gospel-internet/scripts/check-gospel-internet-render.mjs

@@ -115,6 +115,13 @@ try {
   const found = arWords.filter((w) => ar.html.includes(w))
   ok(found.length === arWords.length, `ar: the catalogue reaches the panels (${found.length}/${arWords.length} Arabic strings found)`)
   ok(!ar.html.includes('Language tree: every language family'), 'ar: the English tree label is not left in place')
+  // cell E's other locales: every panel renders, and the board's own title is the locale's, not English
+  for (const lc of ['zh', 'ru', 'hi']) {
+    const out = await render(lc)
+    const cat = JSON.parse(readFileSync(resolve(REPO, 'library/i18n/locales', lc, 'gospelInternet.json'), 'utf8'))
+    ok(out.errors.length === 0 && out.html.includes(cat.tree.legendTitle) && !out.html.includes('Language tree: every language family'),
+      `${lc}: every panel rendered, translated (${out.errors.length} errors)`)
+  }
 } catch (e) {
   console.log('NOT MEASURED: ' + (e && e.stack || e).toString().split('\n').slice(0, 3).join(' | '))
   await server.close()