Fix order of CSS selectors to hide message on UI test

plugins/Morpheus/stylesheets/ui/_map.less

@@ -58,7 +58,7 @@
 
 .uiTest .realTimeMap_datetime,
 /* remove the message only in the dashboard as the real time map in its own report shows the same message */
-.fullWidgetColumn .uiTest .showing_visits_of {
+ .uiTest .fullWidgetColumn .showing_visits_of { 
     visibility: hidden;
 }