workflow_test: tic after converting workflow

erp5_workflow_test:testWorkflowAndDCWorkflow PYTHONHASHSEED=872 fails
with:

    ValueError: UID mismatch for <Workflow Script at /erp5_portal_7faf002ae74ecbab0dce45c9fca0f5e1/portal_workflow/testing_erp5_interaction_workflow/script_afterValidate>

bt5/erp5_workflow_test/TestTemplateItem/portal_components/test.erp5.testWorkflowAndDCWorkflow.py

@@ -238,6 +238,7 @@ class TestConvertedWorkflow(TestERP5WorkflowMixin):
     self.workflow = portal_workflow._getOb(self.workflow_id)
     self.resetComponentTool()
     self.login()
+    self.tic()
 
   def test_13_permission(self):
     """