TF-4141 Adding tearDownAll for GetX cleanup and documentation for proper cleanup, widget wrapping expectations

test/features/thread/presentation/widgets/email_tile_builder_ai_action_test.dart

@@ -161,4 +161,9 @@ void main() {
       );
     });
   });
+
+  tearDownAll(() {
+    Get.delete<ResponsiveUtils>();
+    Get.delete<ImagePaths>();
+  });
 }