diff --git a/addons/l10n_es_edi_sii/models/account_edi_format.py b/addons/l10n_es_edi_sii/models/account_edi_format.py
index fdbfd88dc40..188b424a057 100644
--- a/addons/l10n_es_edi_sii/models/account_edi_format.py
+++ b/addons/l10n_es_edi_sii/models/account_edi_format.py
@@ -403,9 +403,15 @@ class AccountEdiFormat(models.Model):
 
     def _l10n_es_edi_web_service_aeat_vals(self, invoices):
         if invoices[0].is_sale_document():
-            return {'url': 'https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/ssii_1_1/fact/ws/SuministroFactEmitidas.wsdl'}
+            return {
+                'url': 'https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/ssii_1_1/fact/ws/SuministroFactEmitidas.wsdl',
+                'test_url': 'https://prewww1.aeat.es/wlpl/SSII-FACT/ws/fe/SiiFactFEV1SOAP',
+            }
         else:
-            return {'url': 'https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/ssii_1_1/fact/ws/SuministroFactRecibidas.wsdl'}
+            return {
+                'url': 'https://www2.agenciatributaria.gob.es/static_files/common/internet/dep/aplicaciones/es/aeat/ssii_1_1/fact/ws/SuministroFactRecibidas.wsdl',
+                'test_url': 'https://prewww1.aeat.es/wlpl/SSII-FACT/ws/fr/SiiFactFRV1SOAP',
+            }
 
     def _l10n_es_edi_web_service_bizkaia_vals(self, invoices):
         if invoices[0].is_sale_document():