Fix test

crates/block-producer/src/domain/transaction.rs

@@ -131,6 +131,12 @@ impl AuthenticatedTransaction {
         }
     }
 
+    /// Overrides the authentication height with the given value.
+    pub fn with_authentication_height(mut self, height: u32) -> Self {
+        self.authentication_height = BlockNumber::new(height);
+        self
+    }
+
     /// Overrides the store state with the given value.
     pub fn with_store_state(mut self, state: Digest) -> Self {
         self.store_account_state = Some(state);

crates/block-producer/src/mempool/inflight_state/mod.rs

@@ -638,9 +638,11 @@ mod tests {
             }
             committed.commit_block(&txs[..i]);
 
-            let mut inserted = InflightState::new(BlockNumber::default(), 0);
+            let mut inserted = InflightState::new(BlockNumber::new(1), 0);
             for (idx, tx) in txs.iter().skip(i).enumerate() {
-                inserted.add_transaction(tx).unwrap_or_else(|err| {
+                // We need to adjust the height since we are effectively at block "1" now.
+                let tx = tx.clone().with_authentication_height(1);
+                inserted.add_transaction(&tx).unwrap_or_else(|err| {
                     panic!("Inserting tx #{idx} in iteration {i} should succeed: {err}")
                 });
             }