diff --git a/tests/Controller/Api/ApiBillControllerTrait.php b/tests/Controller/Api/ApiBillControllerTrait.php
index b638449..3f1169e 100644
--- a/tests/Controller/Api/ApiBillControllerTrait.php
+++ b/tests/Controller/Api/ApiBillControllerTrait.php
@@ -133,14 +133,4 @@ trait ApiBillControllerTrait
         $this->module->apiBillElementCreate($request, $response);
         self::assertEquals(RequestStatusCode::R_400, $response->header->status);
     }
-
-    public function testInvalidapiNoteCreate() : void
-    {
-        $response = new HttpResponse();
-        $request  = new HttpRequest(new HttpUri(''));
-
-        $request->header->account = 1;
-        $this->module->apiNoteCreate($request, $response);
-        self::assertEquals(RequestStatusCode::R_400, $response->header->status);
-    }
 }
diff --git a/tests/Controller/Api/ApiPurchaseControllerTrait.php b/tests/Controller/Api/ApiPurchaseControllerTrait.php
index 4a3213f..52781d1 100644
--- a/tests/Controller/Api/ApiPurchaseControllerTrait.php
+++ b/tests/Controller/Api/ApiPurchaseControllerTrait.php
@@ -12,100 +12,64 @@
  */
 declare(strict_types=1);
 
-namespace Modules\Billing\tests\Controller;
+namespace Modules\Billing\tests\Controller\Api;
 
-use Model\CoreSettings;
-use Modules\Admin\Models\AccountPermission;
-use Modules\Billing\tests\Controller\Api\ApiBillControllerTrait;
-use Modules\Billing\tests\Controller\Api\ApiPurchaselControllerTrait;
-use phpOMS\Account\Account;
-use phpOMS\Account\AccountManager;
-use phpOMS\Account\PermissionType;
-use phpOMS\Application\ApplicationAbstract;
-use phpOMS\Dispatcher\Dispatcher;
-use phpOMS\Event\EventManager;
-use phpOMS\Localization\L11nManager;
-use phpOMS\Module\ModuleAbstract;
-use phpOMS\Module\ModuleManager;
-use phpOMS\Router\WebRouter;
+use phpOMS\Account\AccountStatus;
+use phpOMS\Account\AccountType;
+use phpOMS\Message\Http\HttpRequest;
+use phpOMS\Message\Http\HttpResponse;
+use phpOMS\Message\Http\RequestStatusCode;
+use phpOMS\System\File\Local\Directory;
+use phpOMS\Uri\HttpUri;
+use phpOMS\Utils\RnG\DateTime;
 use phpOMS\Utils\TestUtils;
 
-/**
- * @testdox Modules\tests\Billing\Controller\ApiControllerTest: Billing api controller
- *
- * @internal
- */
-final class ApiControllerTest extends \PHPUnit\Framework\TestCase
+trait ApiPurchaselControllerTrait
 {
-    protected ApplicationAbstract $app;
-
-    /**
-     * @var \Modules\Billing\Controller\ApiController
-     */
-    protected ModuleAbstract $module;
-
-    /**
-     * @var \Modules\Billing\Controller\ApiController
-     */
-    protected ModuleAbstract $modulePurchase;
-
-    /**
-     * {@inheritdoc}
-     */
-    protected function setUp() : void
+    public function testBillElementCreate() : void
     {
-        $this->app = new class() extends ApplicationAbstract
-        {
-            protected string $appName = 'Api';
-        };
+        if (!\is_dir(__DIR__ . '/temp')) {
+            \mkdir(__DIR__ . '/temp');
+        }
 
-        $this->app->dbPool          = $GLOBALS['dbpool'];
-        $this->app->unitId          = 1;
-        $this->app->accountManager  = new AccountManager($GLOBALS['session']);
-        $this->app->appSettings     = new CoreSettings();
-        $this->app->moduleManager   = new ModuleManager($this->app, __DIR__ . '/../../../../Modules/');
-        $this->app->dispatcher      = new Dispatcher($this->app);
-        $this->app->eventManager    = new EventManager($this->app->dispatcher);
-        $this->app->l11nManager     = new L11nManager();
-        $this->app->eventManager->importFromFile(__DIR__ . '/../../../../Web/Api/Hooks.php');
+        $tmpInvoices = \scandir(__DIR__ . '/billing');
+        $invoiceDocs = [];
+        foreach ($tmpInvoices as $invoice) {
+            if ($invoice !== '..' && $invoice !== '.') {
+                $invoiceDocs[] = $invoice;
+            }
+        }
 
-        $account = new Account();
-        TestUtils::setMember($account, 'id', 1);
+        $count = \count($invoiceDocs);
 
-        $permission       = new AccountPermission();
-        $permission->unit = 1;
-        $permission->app  = 2;
-        $permission->setPermission(
-            PermissionType::READ
-            | PermissionType::CREATE
-            | PermissionType::MODIFY
-            | PermissionType::DELETE
-            | PermissionType::PERMISSION
-        );
+        for ($i = 0; $i < $count; ++$i) {
+            $toUpload = [];
+            $file = $invoiceDocs[$i];
 
-        $account->addPermission($permission);
+            $response = new HttpResponse();
+            $request  = new HttpRequest(new HttpUri(''));
 
-        $this->app->accountManager->add($account);
-        $this->app->router = new WebRouter();
+            $request->header->account = 1;
 
-        $this->module = $this->app->moduleManager->get('Billing', 'ApiBill');
-        $this->modulePurchase = $this->app->moduleManager->get('Billing', 'ApiPurchase');
+            \copy(__DIR__ . '/billing/' . $file, __DIR__ . '/temp/' . $file);
 
-        TestUtils::setMember($this->module, 'app', $this->app);
-        TestUtils::setMember($this->modulePurchase, 'app', $this->app);
-    }
+            $toUpload['file0'] = [
+                'name'     => $file,
+                'type'     => \explode('.', $file)[1],
+                'tmp_name' => __DIR__ . '/temp/' . $file,
+                'error'    => \UPLOAD_ERR_OK,
+                'size'     => \filesize(__DIR__ . '/temp/' . $file),
+            ];
 
-    use ApiBillControllerTrait;
-    use ApiPurchaselControllerTrait;
-    }
+            TestUtils::setMember($request, 'files', $toUpload);
 
-    public function testInvalidapiTaxCombinationDelete() : void
-    {
-        $response = new HttpResponse();
-        $request  = new HttpRequest(new HttpUri(''));
+            $this->modulePurchase->apiSupplierBillUpload($request, $response);
+            self::assertEquals('ok', $response->getData('')['status']);
+            self::assertGreaterThan(0, $response->getDataArray('')['response']->id);
 
-        $request->header->account = 1;
-        $this->module->apiTaxCombinationDelete($request, $response);
-        self::assertEquals(RequestStatusCode::R_400, $response->header->status);
+            if (\is_dir(__DIR__ . '/temp')) {
+                Directory::delete(__DIR__ . '/temp');
+            }
+        }
     }
 }