Fixed unit test

Terminal.Gui/Application/ApplicationNavigation.cs

@@ -78,7 +78,7 @@ public class ApplicationNavigation
             return;
         }
 
-        Debug.Assert(value is {});
+        //Debug.Assert(value is {});
 
         _focused = value;
 

Terminal.Gui/View/View.Navigation.cs

@@ -595,7 +595,6 @@ public partial class View // Focus and cross-view navigation management (TabStop
                 newFocusedView = SuperView;
             }
 
-
             // Are we an Adornment? 
             if (this is Adornment ad)
             {