TestInvoiceMixin overrides afterSetup of TestOrderMixin, but forgot to set...

TestInvoiceMixin overrides afterSetup of TestOrderMixin, but forgot to set some categories used by the latter

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45135 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testInvoice.py

@@ -86,6 +86,8 @@ class TestInvoiceMixin(TestPackingListMixin):
   @UnrestrictedMethod
   def createCategories(self):
     """Create the categories for our test. """
+    # pull in the TestOrderMixin categories first
+    super(TestInvoiceMixin, self).createCategories()
     for cat_string in self.getNeededCategoryList() :
       base_cat = cat_string.split("/")[0]
       path = self.getPortal().portal_categories[base_cat]