fixed tests

SVN: 18177

openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/widget/FieldUtil.java

@@ -158,10 +158,13 @@ public class FieldUtil
             {
                 public void handleEvent(BaseEvent be)
                 {
-                    GWTUtils.executeDelayed(alignInfoIcon);
-                    if (GXT.isIE || GXT.isOpera)
+                    if (field.isRendered())
                     {
                         GWTUtils.executeDelayed(alignInfoIcon);
+                        if (GXT.isIE || GXT.isOpera)
+                        {
+                            GWTUtils.executeDelayed(alignInfoIcon);
+                        }
                     }
                 }
             });