Accessing http://test.wikipedia.beta.wmflabs.org/wiki/Main_Page loads some values from "test.wikipedia.beta.wmflabs.org" but also loads some resources from a "test.wiki**media**.beta.wmflabs.org".
```lang=html
<link rel="EditURI" type="application/rsd+xml" href="//test.wikimedia.beta.wmflabs.org/w/api.php?action=rsd" />
<link rel="alternate" hreflang="x-default" href="/wiki/MediaWiki:Group-user.css" />
<link rel="copyright" href="//creativecommons.org/licenses/by-sa/3.0/" />
<link rel="alternate" type="application/rss+xml" title="Wikipedia RSS feed" href="http://www.example.org/feedstuff.rss" />
<link rel="canonical" href="http://test.wikimedia.beta.wmflabs.org/w/index.php?title=MediaWiki:Group-user.css&action=edit" />
<link rel="stylesheet" href="//test.wikimedia.beta.wmflabs.org/w/load.php?debug=false&lang=en&modules=ext.echo.badge%7Cext.uls.nojs%7Cext.visualEditor.viewPageTarget.noscript%7Cext.wikihiero%2CwikimediaBadges%7Cmediawiki.action.edit.styles%7Cmediawiki.legacy.commonPrint%2Cshared%7Cmediawiki.sectionAnchor%7Cmediawiki.skinning.interface%7Cmediawiki.ui.button%7Cskins.vector.styles&only=styles&skin=vector&*" />
<meta name="ResourceLoaderDynamicStyles" content="" />
<link rel="stylesheet" href="//test.wikimedia.beta.wmflabs.org/w/load.php?debug=false&lang=en&modules=site&only=styles&skin=vector&*" />
<style>a:lang(ar),a:lang(kk-arab),a:lang(mzn),a:lang(ps),a:lang(ur){text-decoration:none}
/* cache key: testwiki:resourceloader:filter:minify-css:7:4e393c08cea43e893a32fe35227c9083 */</style>
<script src="//test.wikimedia.beta.wmflabs.org/w/load.php?debug=false&lang=en&modules=startup&only=scripts&skin=vector&*"></script>
<script>if(window.mw){
```