erp5_wendelin_tutorial_ui_test: fix tutorial test - add pause to fix instability

See merge request nexedi/wendelin!89

bt5/erp5_wendelin_tutorial_ui_test/PathTemplateItem/test_page_module/test_04_wendelin_Tutorial_Check_Data_Arrival.html

@@ -106,6 +106,21 @@
         <td>Done.</td>
         <td></td>
       </tr>
+      <tr>
+        <td>pause</td>
+        <td>20000</td>
+        <td></td>
+      </tr>
+      <tr>
+        <td>openAndWait</td>
+        <td>${base_url}/Zuite_waitForActivities</td>
+        <td></td>
+      </tr>
+      <tr>
+        <td>assertTextPresent</td>
+        <td>Done.</td>
+        <td></td>
+      </tr>
       <tr>
         <td>openAndWait</td>
         <td>${base_url_x}/web_site_module/default_wendelin_front/</td>
@@ -127,10 +142,10 @@
         <td></td>
       </tr>
       <tr>
-        <td>verifyElementPresent</td>
+        <td>waitForElementPresent</td>
         <td>//a[text()='sensor_1']</td>
         <td></td>
-      </tr
+      </tr>
       <tr>
         <td>click</td>
         <td>//a[text()='sensor_1-sample-environment-raw-data']</td>