diff --git a/odoo/tests/common.py b/odoo/tests/common.py
index 883904cd8c1..b27d7a6ba49 100644
--- a/odoo/tests/common.py
+++ b/odoo/tests/common.py
@@ -155,6 +155,8 @@ class TransactionCase(BaseCase):
             self.cr.rollback()
             self.cr.close()
 
+        self.patch(type(self.env['res.partner']), '_get_gravatar_image', lambda *a: False)
+
     def patch(self, obj, key, val):
         """ Do the patch ``setattr(obj, key, val)``, and prepare cleanup. """
         old = getattr(obj, key)