<p dir="auto">The response returned by these clients in their <code class="notranslate">getResponse</code> method is an HttpFoundation response whereas the BrowserKit class (which is their parent classs) tells it returns a BrowserKit response (which has a different API).</p>
<p dir="auto">If you run cache:warmup the twig templates that are in the bundles directory get into the cache folder but not if u use a custom namespace path for twig. I don't know if Symfony renders the cache on first call/open of a custom path template.</p>
<p dir="auto"><a href="http://symfony.com/doc/current/cookbook/templating/namespaced_paths.html" rel="nofollow">http://symfony.com/doc/current/cookbook/templating/namespaced_paths.html</a></p>