chore: fix tests with Statamic 5

Author: simonerd

.github/workflows/tests.yml

@@ -20,13 +20,11 @@ jobs:
         dependency-version: [prefer-lowest, prefer-stable]
         include:
           - laravel: 11.*
-            framework: ^11.0
             testbench: 9.*
           - laravel: 10.*
-            framework: ^10.0
             testbench: 8.*
 
-    name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ubuntu-latest
+    name: P${{ matrix.php }} - L${{ matrix.laravel }} - S${{ matrix.statamic }} - ${{ matrix.dependency-version }}
 
     steps:
       - name: Checkout code

tests/TestCase.php

@@ -81,7 +81,12 @@ protected function resolveApplicationConfiguration($app)
         ];
 
         foreach ($configs as $config) {
-            $app['config']->set("statamic.$config", require(__DIR__."/../vendor/statamic/cms/config/{$config}.php"));
+            $path = __DIR__."/../vendor/statamic/cms/config/{$config}.php";
+            
+            // Statamic 5 does not have a `sites` config anymore, so we better check first
+            if (file_exists($path)) {
+                $app['config']->set("statamic.$config", require($path));
+            }
         }
 
         // Setting the user repository to the default flat file system