Added unit tests for the add_movie_handler and added an additional test to radarr handles to ensure proper delegation. Also added a few macros for testing scrolling and home/end in all handlers to make life easier for those tests.

src/app/mod.rs

@@ -66,7 +66,7 @@ impl App {
 
   pub fn handle_error(&mut self, error: anyhow::Error) {
     if self.error.text.is_empty() {
-      self.error = HorizontallyScrollableText::new(error.to_string());
+      self.error = error.to_string().into();
     }
   }
 

src/app/radarr.rs

@@ -413,7 +413,7 @@ mod radarr_data_tests {
   }
 
   #[test]
-  fn test_rest_search() {
+  fn test_reset_search() {
     let mut radarr_data = RadarrData {
       is_searching: true,
       search: "test search".to_owned(),