diff --git a/lib/modules-lib/bc-db-reader/src/current_frame.rs b/lib/modules-lib/bc-db-reader/src/current_frame.rs
index 07e3259916ab50c705cc03a90d90b1f113169fe0..bb4f35fe844ecb8a36fa9238ada5ed6a9d8129e4 100644
--- a/lib/modules-lib/bc-db-reader/src/current_frame.rs
+++ b/lib/modules-lib/bc-db-reader/src/current_frame.rs
@@ -58,6 +58,7 @@ pub fn get_member_diffi<DB: DbReadable, R: DbReader>(
     unimplemented!();
 }
 
+
 /// calcule la difficulté personnalisée à partir des données prêtes à l'emploi
 /// reference dans le protocol : https://github.com/duniter/duniter/blob/master/doc/Protocol.md#br_g18---headpowzeros-and-headpowremainder
 pub fn compute_personal_difficulty(
@@ -148,4 +149,25 @@ mod tests {
             compute_personal_difficulty(50, BlockNumber(1000), BlockNumber(1010), 5, 1)
         );
     }
+
+    // test avec db mockée
+    // #[test]
+    // fn test_personal_difficulty_member_not_in_frame() -> Result<(), DbError> {
+    //     let db = crate::tests::open_tmp_db()?;
+    //     db.write(|mut w| {
+    //         //common::insert_wot_index_entry(&db, &mut w, WotId(0), issuer_a)?;
+    //         Ok(w)
+    //     })?;
+    //     db.read(|r| {
+    //         //common::insert_wot_index_entry(&db, &mut w, WotId(0), issuer_a)?;
+    //     assert_eq!(
+    //         PersonalDifficulty {
+    //             exclusion_factor: 1,
+    //             handicap: 0
+    //         },
+    //         get_member_diffi(db,r, WotId(0))
+    //     );
+    //     })?;
+
+    // }
 }