Warn when classes are used in testing environment; this means tests aren't efficient.

app/Helpers/Help/Help.php

@@ -40,6 +40,16 @@ class Help implements HelpInterface
     /** @var string The user agent. */
     protected $userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36';
 
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        if ('testing' === env('APP_ENV')) {
+            Log::warning(sprintf('%s should not be instantiated in the TEST environment!', \get_class($this)));
+        }
+    }
+
     /**
      * Get from cache.
      *