ERP5Workflow: forgot to rename Variable in erp5_workflow_test type roles

bt5/erp5_workflow_test/PortalTypeRolesTemplateItem/Variable.xml

-<type_roles>
-  <role id='Assignor'>
-   <property id='title'>Developer Group</property>
-   <multi_property id='category'>group/develop_group</multi_property>
-  </role>
-</type_roles>
\ No newline at end of file

bt5/erp5_workflow_test/PortalTypeRolesTemplateItem/Workflow%20Variable.xml

+<type_roles>
+</type_roles>
\ No newline at end of file