Unit tests: update description of --bt5_path option

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33415 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/runUnitTest.py

@@ -25,8 +25,13 @@ Options:
                              --data_fs_path to run tests on an existing
                              Data.fs
   --data_fs_path=STRING      Use the given path for the Data.fs
-  --bt5_path                 Path to the Business Templates. Default is
-                             INSTANCE_HOME/bt5.
+  --bt5_path                 Search for Business Templates in the given list of
+                             paths (or any HTTP url supported by template tool),
+                             delimited with commas. In particular, BT can be
+                             downloaded directly from a running ERP5 instance
+                             using a url like:
+                               http://.../erp5/portal_templates/asRepository
+                             Default is INSTANCE_HOME/bt5 and its subfolders.
   --recreate_catalog=0 or 1  recreate the content of the sql catalog. Default
                              is to recreate, unless using --data_fs_path
   --save                     Run unit tests in persistent mode (if unset,