diff --git a/src/lib.rs b/src/lib.rs
index eb1f027..a782173 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1211,6 +1211,9 @@ mod tests {
 
         assert!(artist_2 < artist_1);
 
+        assert_eq!(artist_1, &music_hoard.collection[1]);
+        assert_eq!(artist_2, &music_hoard.collection[0]);
+
         music_hoard
             .set_artist_sort(artist_1_id.as_ref(), artist_1_sort.clone())
             .unwrap();
@@ -1220,12 +1223,18 @@ mod tests {
 
         assert!(artist_1 < artist_2);
 
+        assert_eq!(artist_1, &music_hoard.collection[0]);
+        assert_eq!(artist_2, &music_hoard.collection[1]);
+
         music_hoard.clear_artist_sort(artist_1_id.as_ref()).unwrap();
 
         let artist_1: &Artist = music_hoard.get_artist(&artist_1_id).unwrap();
         let artist_2: &Artist = music_hoard.get_artist(&artist_2_id).unwrap();
 
         assert!(artist_2 < artist_1);
+
+        assert_eq!(artist_1, &music_hoard.collection[1]);
+        assert_eq!(artist_2, &music_hoard.collection[0]);
     }
 
     #[test]