- CommandLineTestCase if test started from runUnitTest
- ERP5TypeLiveTestCase if test started from portal_classes.runLiveTest

This allows to run any test from both command line and from
portal_classes, so it allows to run on any instance any
existing test.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42529 20353a03-c40f-0410-a6d1-a30d3c3de9de