erp5_web_renderjs_ui_test: an invalidat time's value can't be saved so no change for save icon

bt5/erp5_web_renderjs_ui_test/PathTemplateItem/portal_tests/renderjs_ui_zuite/datetimefield_zuite/testInvalidDateTime.xml

@@ -126,7 +126,18 @@
   <td>9915-14-21T11:00</td>\n
 </tr>\n
 \n
-<tal:block metal:use-macro="here/Zuite_CommonTemplateForRenderjsUi/macros/save" />\n
+<tr>\n
+  <td>waitForElementPresent</td>\n
+  <td>//button[@data-i18n=\'Save\']</td>\n
+  <td></td>\n
+</tr>\n
+\n
+<tr>\n
+  <td>click</td>\n
+  <td>//button[@data-i18n=\'Save\']</td>\n
+  <td></td>\n
+</tr>\n
+\n
 \n
 <tr>\n
   <td>click</td>\n