XXX: enable coding style on base and simulate a broken bt definition

to confirm that this test would catch these kind of problems.

bt5/erp5_base/bt/skip_coding_style_test

-1
\ No newline at end of file

bt5/erp5_base/bt/template_document_id_list

@@ -27,6 +27,7 @@ document.erp5.MonthlyRangeMovementGroup
 document.erp5.MovementGroup
 document.erp5.NestedLineMovementGroup
 document.erp5.OOoDocument
+document.erp5.OpenOrder
 document.erp5.OrderBuilder
 document.erp5.OrderMovementGroup
 document.erp5.Organisation