diff --git a/product/ERP5Type/tests/prepareFunctionalTest.py b/product/ERP5Type/tests/prepareFunctionalTest.py
index 543978bf19f8788101d6cda12e862f87e1fec35c..f680196b5fcba044a83f04929dbc1732451dbdc4 100755
--- a/product/ERP5Type/tests/prepareFunctionalTest.py
+++ b/product/ERP5Type/tests/prepareFunctionalTest.py
@@ -46,7 +46,9 @@ class TestZelenium(ERP5TypeTestCase):
         """
         return ('erp5_base', 'erp5_ui_test_core', 'erp5_ui_test', 'erp5_forge',
                 'erp5_trade', 'erp5_pdm', 'erp5_pdf_style', 'erp5_ooo_import',
-                'erp5_accounting', 'erp5_invoicing', 'erp5_accounting_ui_test',
+                'erp5_accounting', 'erp5_invoicing',
+                'erp5_simplified_invoicing',
+                'erp5_accounting_ui_test',
                 'erp5_pdm_ui_test',
                 'erp5_ingestion', 'erp5_ingestion_mysql_innodb_catalog',
                 'erp5_web', 'erp5_dms', 'erp5_dms_ui_test',