Reference id field by its position in the listbox, not by its name.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9031 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_ui_test/PathTemplateItem/portal_tests/listbox_zuite/testFilter.xml

@@ -256,7 +256,7 @@
 <!-- Search by id -->\n
 <tr>\n
 \t<td>type</td>\n
-\t<td>id</td>\n
+\t<td>//tr[@id="listbox_search_line"]/td[2]//input</td>\n
 \t<td>3</td>\n
 </tr>\n
 <tr>\n