diff --git a/tests/TestCase/Model/Table/CartsTableTest.php b/tests/TestCase/Model/Table/CartsTableTest.php
index 8631546..0dcad8f 100644
--- a/tests/TestCase/Model/Table/CartsTableTest.php
+++ b/tests/TestCase/Model/Table/CartsTableTest.php
@@ -25,7 +25,7 @@ class CartsTableTest extends TestCase
      */
     protected array $fixtures = [
         'plugin.CakeCarts.Carts',
-        'plugin.CakeCarts.Users',
+//        'plugin.CakeCarts.Users',
         'plugin.CakeCarts.CartItems',
     ];
 
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..27f464e
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,128 @@
+<?php
+declare(strict_types=1);
+
+use Cake\Cache\Cache;
+use Cake\Chronos\Chronos;
+use Cake\Core\Configure;
+use Cake\Core\Plugin;
+use Cake\Database\Connection;
+use Cake\Datasource\ConnectionManager;
+use Cake\TestSuite\Fixture\SchemaLoader;
+use CakeProducts\CakeProductsPlugin;
+use Migrations\TestSuite\Migrator;
+use TestApp\Controller\AppController;
+
+if (!defined('DS')) {
+    define('DS', DIRECTORY_SEPARATOR);
+}
+if (!defined('WINDOWS')) {
+    if (DS === '\\' || substr(PHP_OS, 0, 3) === 'WIN') {
+        define('WINDOWS', true);
+    } else {
+        define('WINDOWS', false);
+    }
+}
+
+define('PLUGIN_ROOT', dirname(__DIR__));
+define('ROOT', PLUGIN_ROOT . DS . 'tests' . DS . 'test_app');
+define('TMP', PLUGIN_ROOT . DS . 'tmp' . DS);
+define('LOGS', TMP . 'logs' . DS);
+define('CACHE', TMP . 'cache' . DS);
+define('APP', ROOT . DS . 'src' . DS);
+define('APP_DIR', 'src');
+define('CAKE_CORE_INCLUDE_PATH', PLUGIN_ROOT . '/vendor/cakephp/cakephp');
+define('CORE_PATH', CAKE_CORE_INCLUDE_PATH . DS);
+define('CAKE', CORE_PATH . APP_DIR . DS);
+
+define('WWW_ROOT', PLUGIN_ROOT . DS . 'webroot' . DS);
+define('TESTS', __DIR__ . DS);
+define('CONFIG', TESTS . 'config' . DS);
+
+ini_set('intl.default_locale', 'de-DE');
+
+require PLUGIN_ROOT . '/vendor/autoload.php';
+require CORE_PATH . 'config/bootstrap.php';
+require CAKE . 'functions.php';
+
+Configure::write('App', [
+    'namespace' => 'TestApp',
+    'encoding' => 'UTF-8',
+    'paths' => [
+        'testWebroot' => PLUGIN_ROOT . DS . 'tests' . DS . 'test_app' . DS . 'webroot' . DS,
+        'webroot' => PLUGIN_ROOT . DS . 'webroot' . DS,
+        'templates' => [
+            PLUGIN_ROOT . DS . 'tests' . DS . 'test_app' . DS . 'templates' . DS,
+        ],
+    ],
+]);
+
+Configure::write('debug', true);
+Configure::write('CakeCarts', [
+    'Carts' => [
+        'table' => 'CakeCarts.Carts',
+    ],
+    'CartItems' => [
+        'requirePricing' => false,
+    ],
+    'Users' => [
+        'user_id' => 'uuid', // integer or uuid
+    ],
+]);
+
+$cache = [
+    'default' => [
+        'engine' => 'File',
+        'path' => CACHE,
+    ],
+    '_cake_translations_' => [
+        'className' => 'File',
+        'prefix' => 'crud_myapp_cake_core_',
+        'path' => CACHE . 'persistent/',
+        'serialize' => true,
+        'duration' => '+10 seconds',
+    ],
+    '_cake_model_' => [
+        'className' => 'File',
+        'prefix' => 'crud_my_app_cake_model_',
+        'path' => CACHE . 'models/',
+        'serialize' => 'File',
+        'duration' => '+10 seconds',
+    ],
+];
+
+Cache::setConfig($cache);
+
+class_alias(AppController::class, 'App\Controller\AppController');
+
+Plugin::getCollection()->add(new \CakeCarts\CakeCartsPlugin());
+
+Chronos::setTestNow(Chronos::now());
+
+if (!getenv('DB_URL')) {
+    putenv('DB_URL=sqlite:///:memory:');
+}
+
+ConnectionManager::setConfig('test', [
+    'className' => Connection::class,
+    'url' => getenv('DB_URL') ?: null,
+    'timezone' => 'UTC',
+    'quoteIdentifiers' => false,
+    'cacheMetadata' => true,
+]);
+
+/**
+ * Load schema from a SQL dump file.
+ *
+ * If your plugin does not use database fixtures you can
+ * safely delete this.
+ *
+ * If you want to support multiple databases, consider
+ * using migrations to provide schema for your plugin,
+ * and using \Migrations\TestSuite\Migrator to load schema.
+ */
+// Load a schema dump file.
+//(new SchemaLoader())->loadSqlFiles('tests/schema.sql', 'test');
+
+
+$migrator = new Migrator();
+$migrator->run(['plugin' => 'CakeCarts']);
diff --git a/tests/test_app/src/Application.php b/tests/test_app/src/Application.php
new file mode 100644
index 0000000..e94ee2a
--- /dev/null
+++ b/tests/test_app/src/Application.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace TestApp;
+
+use Cake\Http\BaseApplication;
+use Cake\Http\MiddlewareQueue;
+use Cake\Routing\Middleware\RoutingMiddleware;
+use Cake\Routing\Route\DashedRoute;
+use Cake\Routing\RouteBuilder;
+
+class Application extends BaseApplication {
+
+    /**
+     * @inheritDoc
+     */
+    public function bootstrap(): void {
+        $this->addPlugin('CakeCarts');
+    }
+
+	/**
+	 * @inheritDoc
+	 */
+	public function middleware(MiddlewareQueue $middleware): MiddlewareQueue {
+		$middleware->add(new RoutingMiddleware($this));
+
+		return $middleware;
+	}
+
+    public function routes(RouteBuilder $routes): void
+    {
+        parent::routes($routes); // TODO: Change the autogenerated stub
+        $routes->setRouteClass(DashedRoute::class);
+
+        $routes->plugin('CakeCarts', ['path' => '/cake-carts'], function (RouteBuilder $pluginRoutes):void {
+           $pluginRoutes->fallbacks();
+        });
+    }
+
+}
diff --git a/tests/test_app/src/Controller/AppController.php b/tests/test_app/src/Controller/AppController.php
new file mode 100644
index 0000000..7387589
--- /dev/null
+++ b/tests/test_app/src/Controller/AppController.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace TestApp\Controller;
+
+use Cake\Controller\Controller;
+
+class AppController extends Controller {
+    /**
+     * @return void
+     */
+    public function initialize(): void {
+        parent::initialize();
+
+        $this->loadComponent('Flash');
+    }
+}
diff --git a/tests/test_app/src/View/AppView.php b/tests/test_app/src/View/AppView.php
new file mode 100644
index 0000000..e885cc1
--- /dev/null
+++ b/tests/test_app/src/View/AppView.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace TestApp\View;
+
+use Cake\View\View;
+
+/**
+ * @property \TinyAuth\View\Helper\AuthUserHelper $AuthUser
+ */
+class AppView extends View {
+}
diff --git a/tests/test_app/templates/Error/error500.php b/tests/test_app/templates/Error/error500.php
new file mode 100644
index 0000000..f51acd0
--- /dev/null
+++ b/tests/test_app/templates/Error/error500.php
@@ -0,0 +1,44 @@
+<?php
+
+use Cake\Core\Configure;
+use Cake\Error\Debugger;
+
+$this->layout = 'error';
+
+if (Configure::read('debug')):
+	$this->layout = 'dev_error';
+
+	$this->assign('title', $message);
+	$this->assign('templateName', 'error500.ctp');
+
+	$this->start('file');
+?>
+<?php if (!empty($error->queryString)) : ?>
+    <p class="notice">
+        <strong>SQL Query: </strong>
+        <?= h($error->queryString) ?>
+    </p>
+<?php endif; ?>
+<?php if (!empty($error->params)) : ?>
+        <strong>SQL Query Params: </strong>
+        <?php Debugger::dump($error->params) ?>
+<?php endif; ?>
+<?php if ($error instanceof Error) : ?>
+        <strong>Error in: </strong>
+        <?= sprintf('%s, line %s', str_replace(ROOT, 'ROOT', $error->getFile()), $error->getLine()) ?>
+<?php endif; ?>
+<?php
+	echo $this->element('auto_table_warning');
+
+	if (extension_loaded('xdebug')):
+		xdebug_print_function_stack();
+	endif;
+
+	$this->end();
+endif;
+?>
+<h2><?= __d('cake', 'An Internal Error Has Occurred') ?></h2>
+<p class="error">
+    <strong><?= __d('cake', 'Error') ?>: </strong>
+    <?= h($message) ?>
+</p>
diff --git a/tests/test_app/templates/layout/ajax.php b/tests/test_app/templates/layout/ajax.php
new file mode 100644
index 0000000..13b3dea
--- /dev/null
+++ b/tests/test_app/templates/layout/ajax.php
@@ -0,0 +1,6 @@
+<?php
+/**
+ * @var \App\View\AppView $this
+ */
+?>
+<?= $this->fetch('content') ?>
diff --git a/tests/test_app/templates/layout/default.php b/tests/test_app/templates/layout/default.php
new file mode 100644
index 0000000..13b3dea
--- /dev/null
+++ b/tests/test_app/templates/layout/default.php
@@ -0,0 +1,6 @@
+<?php
+/**
+ * @var \App\View\AppView $this
+ */
+?>
+<?= $this->fetch('content') ?>
diff --git a/tests/test_app/webroot/images/2c386086-f4c5-4093-bea5-ee9c29479f58.png b/tests/test_app/webroot/images/2c386086-f4c5-4093-bea5-ee9c29479f58.png
new file mode 100644
index 0000000..394fa42
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diff --git a/tests/test_app/webroot/images/cake_icon.png b/tests/test_app/webroot/images/cake_icon.png
new file mode 100644
index 0000000..394fa42
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