XWIKI-21452: Macros info, success, warning and error are only distinguished by colors

  * Revert some bad PO changes

xwiki-platform-core/xwiki-platform-test/xwiki-platform-test-ui/src/main/java/org/xwiki/test/ui/po/diff/RawChanges.java

@@ -57,7 +57,7 @@ public RawChanges(WebElement container)
     public boolean hasNoChanges()
     {
         return !getDriver().findElementsWithoutWaiting(this.container,
-            By.xpath("//div[@class = 'infomessage' and . = 'No changes']")).isEmpty()
+            By.xpath("//div[@class = 'box infomessage' and . = 'No changes']")).isEmpty()
             && getChangedEntities().isEmpty();
     }