[renderjs_ui_test] Properly reset values of listbox (better comments for testDefaultSort)

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_listbox_zuite/testSortDefault.zpt

@@ -11,7 +11,7 @@
 </thead><tbody>
 <tal:block metal:use-macro="here/Zuite_CommonTemplate/macros/init" />
 
-<!-- make the listbox to sort by ID DESC which is not natural thus obvious  -->
+<!-- make the listbox to sort by ID DESC  -->
 <tr>
   <td>open</td>
   <td>${base_url}/bar_module/ListBoxZuite_reset?field_sort=id+%7C+DESC</td> <!-- ?field_sort="id | DESC" -->
@@ -27,7 +27,7 @@
 <!-- Create Foo objects with IDs 0-9 -->
 <tr>
   <td>open</td>
-  <td>${base_url}/foo_module/FooModule_createObjects?start=1&amp;num=5</td>
+  <td>${base_url}/foo_module/FooModule_createObjects</td>
   <td></td>
 </tr>
 

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_listbox_zuite/testSortItemDelete.zpt

@@ -14,7 +14,7 @@
 <!-- Clean Up -->
 <tr>
   <td>open</td>
-  <td>${base_url}/bar_module/ListBoxZuite_reset</td>
+  <td>${base_url}/bar_module/ListBoxZuite_reset?field_sort=</td>
   <td></td>
 </tr>