erp5_web_renderjs_ui_test: logout back link is history_previous now

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_page_zuite/testPageLogoutBackLink.zpt

@@ -33,12 +33,12 @@
 <!-- Header has a link to the front page -->
 <tr>
   <td>assertElementPresent</td>
-  <td>//div[@data-gadget-scope='header']//a[text()='Logout' and contains(@href, '#!display')]</td>
+  <td>//div[@data-gadget-scope='header']//a[text()='Logout' and contains(@href, '#!history_previous')]</td>
   <td></td>
 </tr>
 <tr>
   <td>click</td>
-  <td>//div[@data-gadget-scope='header']//a[text()='Logout' and contains(@href, '#!display')]</td>
+  <td>//div[@data-gadget-scope='header']//a[text()='Logout' and contains(@href, '#!history_previous')]</td>
   <td></td>
 </tr>
 <tr>