slapos_erp5: Comply with the other tests

   Sometimes the instances where the data is commited, don't have the same user set as the tests.

master/bt5/slapos_erp5/TestTemplateItem/portal_components/test.erp5.testSlapOSERP5GroupRoleSecurity.py

@@ -492,7 +492,7 @@ class TestOrganisation(TestSlapOSGroupRoleSecurityMixin):
   def test_defaultSlapOSOrganisation(self):
     # Test to ensure slapos organisation is well configured by default
     organisation = self.portal.organisation_module.slapos
-    organisation.updateLocalRolesOnSecurityGroups()
+    self.changeOwnership(organisation)
     self.assertSecurityGroup(organisation,
         ['G-COMPANY', self.user_id, 'R-SHADOW-PERSON', 'R-MEMBER'], False)
     self.assertRoles(organisation, 'G-COMPANY', ['Assignor'])