diff --git a/tests/Controller/Api/ApiControllerAccountTrait.php b/tests/Controller/Api/ApiControllerAccountTrait.php
index 78db408..6b4e638 100755
--- a/tests/Controller/Api/ApiControllerAccountTrait.php
+++ b/tests/Controller/Api/ApiControllerAccountTrait.php
@@ -88,14 +88,4 @@ trait ApiControllerAccountTrait
         $this->module->apiAccountUpdate($request, $response);
         self::assertEquals(RequestStatusCode::R_400, $response->header->status);
     }
-
-    public function testInvalidapiAccountL11nCreate() : void
-    {
-        $response = new HttpResponse();
-        $request  = new HttpRequest(new HttpUri(''));
-
-        $request->header->account = 1;
-        $this->module->apiAccountL11nCreate($request, $response);
-        self::assertEquals(RequestStatusCode::R_400, $response->header->status);
-    }
 }
diff --git a/tests/Controller/Api/ApiControllerTaxKeyTrait.php b/tests/Controller/Api/ApiControllerTaxKeyTrait.php
index f63e53c..1750a46 100755
--- a/tests/Controller/Api/ApiControllerTaxKeyTrait.php
+++ b/tests/Controller/Api/ApiControllerTaxKeyTrait.php
@@ -20,6 +20,7 @@ use Modules\Accounting\tests\Controller\Api\ApiControllerBatchEntryTrait;
 use Modules\Accounting\tests\Controller\Api\ApiControllerCostCenterTrait;
 use Modules\Accounting\tests\Controller\Api\ApiControllerCostObjectTrait;
 use Modules\Accounting\tests\Controller\Api\ApiControllerEntryTrait;
+use Modules\Accounting\tests\Controller\Api\ApiControllerTaxKeyTrait;
 use Modules\Admin\Models\AccountPermission;
 use phpOMS\Account\Account;
 use phpOMS\Account\AccountManager;
@@ -94,6 +95,18 @@ final class ApiControllerTest extends \PHPUnit\Framework\TestCase
     use ApiControllerAccountTrait;
     use ApiControllerCostCenterTrait;
     use ApiControllerCostObjectTrait;
+    use ApiControllerTaxKeyTrait;
     use ApiControllerEntryTrait;
     use ApiControllerBatchEntryTrait;
+    }
+
+    public function testInvalidapiAccountL11nCreate() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->header->account = 1;
+        $this->module->apiAccountL11nCreate($request, $response);
+        self::assertEquals(RequestStatusCode::R_400, $response->header->status);
+    }
 }