diff --git a/tests/__init__.py b/tests/__init__.py
index c025a4642b4e231e05706d19ebcd3c92c2621120..90eead92815f472b6b851fed1d4433eda1ae40ad 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -86,7 +86,10 @@ class ERP5(_ERP5):
                           'testFunctionalConfigurator',
                           'testFunctionalConfiguratorConsulting',
                           'testERP5eGov',
-                          'testAccounting_l10n_fr_m9'):
+                          'testAccounting_l10n_fr_m9',
+                          # Not a test
+                          'testERP5SyncMLMixin'
+         ):
         continue
       test_list.append(full_test_case)
     return test_list