FIx units tests

Author: Lainow

tests/MoreOptionsTestCase.php

@@ -131,4 +131,39 @@ protected function getCurrentConfig(): Config
         }
         return $config;
     }
+
+    /**
+     * Get and clear session messages after redirect
+     * @return array<int, array<int, string>>
+     */
+    protected function getSessionMessages(): array
+    {
+        $messages = $_SESSION['MESSAGE_AFTER_REDIRECT'] ?? [];
+        $_SESSION['MESSAGE_AFTER_REDIRECT'] = [];
+        return $messages;
+    }
+
+    /**
+     * Assert that a specific error message was added to session
+     */
+    protected function assertHasSessionMessage(string $expectedMessage, int $type = ERROR): void
+    {
+        $messages = $_SESSION['MESSAGE_AFTER_REDIRECT'][$type] ?? [];
+        $found = false;
+        foreach ($messages as $message) {
+            if (str_contains($message, $expectedMessage)) {
+                $found = true;
+                break;
+            }
+        }
+        $this->assertTrue($found, "Expected message not found: {$expectedMessage}");
+    }
+
+    /**
+     * Clear all session messages
+     */
+    protected function clearSessionMessages(): void
+    {
+        $_SESSION['MESSAGE_AFTER_REDIRECT'] = [];
+    }
 }