diff --git a/tests/test_module.py b/tests/test_module.py
index e2928f3..188560f 100644
--- a/tests/test_module.py
+++ b/tests/test_module.py
@@ -9,6 +9,8 @@ from trytond.tests.test_tryton import ModuleTestCase
 class ProductQtyTestCase(CompanyTestMixin, ModuleTestCase):
     'Test ProductQty module'
     module = 'product_qty'
+    extras = ['product_manufacturer', 'purchase']
+
 
 
 del ModuleTestCase