diff --git a/index.phpunit.php b/index.phpunit.php
new file mode 100644
index 000000000..449e2a0ab
--- /dev/null
+++ b/index.phpunit.php
@@ -0,0 +1,39 @@
+<?php
+// Set environment
+define('ENVIRONMENT', 'testing');
+$_SERVER['CI_ENV'] = 'testing';
+
+// Setup CI core constants
+$system_path = __DIR__ . '/vendor/codeigniter/framework/system';
+$application_folder = __DIR__ . '/application';
+$view_folder = $application_folder . '/views';
+
+if (!defined('ICONV_ENABLED')) define('ICONV_ENABLED', function_exists('iconv'));
+if (!defined('MB_ENABLED')) define('MB_ENABLED', extension_loaded('mbstring'));
+
+define('SELF', pathinfo(__FILE__, PATHINFO_BASENAME));
+define('BASEPATH', rtrim(realpath($system_path), '/') . '/');
+define('APPPATH', rtrim(realpath($application_folder), '/') . '/');
+define('VIEWPATH', rtrim(realpath($view_folder), '/') . '/');
+
+// Autoload Composer and project config
+require_once __DIR__ . '/vendor/autoload.php';
+require_once __DIR__ . '/config/global.config.inc.php';
+require_once __DIR__ . '/config/vilesci.config.inc.php';
+require_once __DIR__ . '/application/config/core_includes.php';
+
+// Load base CI functionality manually, without routing
+require_once BASEPATH . 'core/Common.php';
+
+$CFG =& load_class('Config', 'core');
+$UNI =& load_class('Utf8', 'core');
+$URI =& load_class('URI', 'core');
+$RTR =& load_class('Router', 'core'); // Optional: Don't route
+$OUT =& load_class('Output', 'core');
+
+require_once BASEPATH . 'core/Controller.php';
+
+//require_once BASEPATH . 'core/CodeIgniter.php';
+function &get_instance() { return CI_Controller::get_instance(); }
+
+// Manually load your custom controller later in tests
diff --git a/phpunit.xml b/phpunit.xml
index 946312355..9f02599ce 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<phpunit bootstrap="index.ci.php">
+<phpunit bootstrap="index.phpunit.php">
     <testsuites>
-        <testsuite name="UnitTests">
-            <directory>system/UnitTests/vertragsbestandteil/gui</directory>
+        <testsuite name="BookmarkTest">
+            <directory>system/UnitTests/api/</directory>
         </testsuite>
     </testsuites>
     <php>
diff --git a/system/UnitTests/api/BookmarkTest/BookmarkTest.php b/system/UnitTests/api/BookmarkTest/BookmarkTest.php
new file mode 100644
index 000000000..1b96033d6
--- /dev/null
+++ b/system/UnitTests/api/BookmarkTest/BookmarkTest.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace BookmarkTest;
+echo "BookmarkTest loaded\n";
+
+
+echo "Resolved path: " . APPPATH.'controllers/api/frontend/v1/Bookmark.php' . "\n";
+
+
+//require_once(APPPATH.'controllers/api/frontend/v1/Bookmark.php');
+//require_once(APPPATH.'libraries/AuthLib.php');
+
+use Bookmark;
+use PHPUnit\Framework\TestCase;
+
+class BookmarkTest extends TestCase
+{
+	private $_ci;
+
+//	public function setUp(): void
+//	{
+//		error_reporting(E_ALL & ~E_STRICT & ~E_DEPRECATED);
+//
+//		echo 'in the setUp';
+//		// Load CodeIgniter instance
+//		$this->_ci = &get_instance();
+//
+//		if (!is_object($this->_ci)) {
+//			throw new \Exception('CI instance is not available');
+//		}
+//		
+//		$this->_ci->load->library('AuthLib', null, 'AuthLib');
+//
+//		$this->_ci->AuthLib->loginLDAP('horauer', 'FHCompleteDemo42!');
+//		$this->_ci->load->controller('api/v1/Bookmark');
+//
+//		$this->obj = new Bookmark();
+//	}
+
+	/** @test */
+	public function test_true()
+	{
+		echo 'in the test_true case';
+		$this->assertTrue(true);
+	}
+
+
+}
\ No newline at end of file