self.workflow_tool is *not* defined in ERP5TypeTestCase or in parent classes.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29734 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -646,10 +646,11 @@ class ERP5TypeTestCase(PortalTestCase):
         If error_message is provided, it is asserted to be equal to the last
         workflow history error message.
       """
-      reference_history_length = len(self.workflow_tool.getInfoFor(ob=object, name='history', wf_id=workflow_id))
+      workflow_tool = self.getWorkflowTool()
+      reference_history_length = len(workflow_tool.getInfoFor(ob=object, name='history', wf_id=workflow_id))
       reference_workflow_state = object.getSimulationState()
-      self.assertRaises(ValidationFailed, self.workflow_tool.doActionFor, object, transition_id, wf_id=workflow_id)
-      workflow_history = self.workflow_tool.getInfoFor(ob=object, name='history', wf_id=workflow_id)
+      self.assertRaises(ValidationFailed, workflow_tool.doActionFor, object, transition_id, wf_id=workflow_id)
+      workflow_history = workflow_tool.getInfoFor(ob=object, name='history', wf_id=workflow_id)
       self.assertEqual(len(workflow_history), reference_history_length + 1)
       workflow_error_message = str(workflow_history[-1]['error_message'])
       if error_message is not None: