[erp5_officejs_ui_test] Fixes officejs media player can play test.

bt5/erp5_officejs_ui_test/PathTemplateItem/portal_tests/officejs_ui_media_player_zuite/testOfficeJSMediaPlayerCanPlaySound.zpt

@@ -111,13 +111,11 @@
   <td>//audio</td>
   <td></td>
 </tr>
-
 <tr>
-  <td>click</td>
-  <td>//button[contains(@class,'play')]</td>
+  <td>waitForElementPresent</td>
+  <td>//button[contains(@class, 'pause')]</td>
   <td></td>
 </tr>
-
 <tr>
   <td>pause</td>
   <td>5000</td>
@@ -130,8 +128,6 @@
   <td>00:00:00</td>
   <td></td>
 </tr>
-
-
 <tr>
 </tbody></table>
 </body>