web_renderjs_ui_test: update tests for new error page

now there's an iframe and json is indented

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_notification_zuite/testActionFail.zpt

@@ -42,6 +42,32 @@
   <tal:block metal:use-macro="here/Zuite_CommonTemplateForRenderjsUi/macros/wait_for_notification" />
 </tal:block>
 
+<!-- when an action failed server side, the server side error is displayed in an ifame of the error page -->
+<tr>
+  <td>waitForElementPresent</td>
+  <td>//div[@role="main"]//iframe</td>
+  <td></td>
+</tr>
+<tr>
+  <td>selectFrame</td>
+  <td>//div[@role="main"]//iframe</td>
+  <td></td>
+</tr>
+<tr>
+  <td>waitForTextPresent</td>
+  <td>Site Error</td>
+  <td></td>
+</tr>
+<tr>
+  <td>verifyTextPresent</td>
+  <td>NotImplementedError</td>
+  <td></td>
+</tr>
+<tr>
+  <td>selectFrame</td>
+  <td>relative=top</td>
+  <td></td>
+</tr>
 </tbody></table>
 </body>
 </html>
\ No newline at end of file

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_zuite/testErrorPageFirstLoad.zpt

@@ -50,7 +50,7 @@
 
 <tr>
   <td>assertTextPresent</td>
-  <td>"status":404</td>
+  <td>"status": 404</td>
   <td></td>
 </tr>