diff --git a/product/ERP5Type/tests/ERP5TypeTestCase.py b/product/ERP5Type/tests/ERP5TypeTestCase.py
index b60f0d5a4fde862835d8698857944cdb035b1063..26b131f6c4851b9cd2dff215fcd5297bdcef5c12 100644
--- a/product/ERP5Type/tests/ERP5TypeTestCase.py
+++ b/product/ERP5Type/tests/ERP5TypeTestCase.py
@@ -191,6 +191,12 @@ def _getConnectionStringDict():
   if cmf_activity_sql_connection_string:
     connection_string_dict['cmf_activity_sql_connection_string'] = \
                                 cmf_activity_sql_connection_string
+    erp5_sql_transactionless_connection_string = os.environ.get(
+             'erp5_sql_transactionless_connection_string',
+             '-%s' % cmf_activity_sql_connection_string)
+    if erp5_sql_transactionless_connection_string:
+      connection_string_dict['erp5_sql_transactionless_connection_string'] = \
+                              erp5_sql_transactionless_connection_string
   erp5_sql_deferred_connection_string = os.environ.get(
                             'erp5_sql_deferred_connection_string',
                             os.environ.get('erp5_sql_connection_string'))