Merge branch '3.4'

README.md

@@ -264,6 +264,13 @@ This error would only occur if your test suite require actual usage of the encry
 </phpunit>
 ```
 
+### Why Testbench doesn't include any of the `App` classes.
+
+The reason Testbench remove all the case is to make sure that you would never depends on it when developing Laravel Packages. Classes such as `App\Http\Controllers\Controller` and `App\User` may seem simple to be added but the problems with these classes is that it can be either:
+
+* Removed, moved to other location such as `App\Models\User`, or
+* Renamed using `php artisan app:name Acme` which would rename `App\User` to `Acme\User`.
+
 ### Missing Browser Kit support after testing on Laravel 5.4
 
 Replace `orchestra/testbench` with `orchestra/testbench-browser-kit` and follow [the installation guide](https://github.com/orchestral/testbench-browser-kit#installation).

src/TestCase.php

@@ -186,7 +186,7 @@ protected function afterApplicationCreated(callable $callback)
      */
     protected function beforeApplicationDestroyed(callable $callback)
     {
-        $this->beforeApplicationDestroyedCallbacks[] = $callback;
+        array_unshift($this->beforeApplicationDestroyedCallbacks, $callback);
     }
 
     /**