live test: remove existing ERP5TypeTestCase users if any is there

product/ERP5Type/tests/ERP5TypeLiveTestCase.py

@@ -143,6 +143,12 @@ class ERP5TypeLiveTestCase(ERP5TypeTestCaseMixin):
     def _setup(self):
         '''Change some site properties in order to be ready for live test
         '''
+        # force a random password for ERP5TypeTestCase user by removing
+        # any existing one
+        try:
+          self.portal.acl_users.zodb_users.removeUser('ERP5TypeTestCase')
+        except (AttributeError, KeyError):
+          pass
         # Disabling portal_activities is required in order to avoid
         # conflict with other threads doing tic in the same time
         self.login()