fix failing app tests

crates/astria-sequencer/src/app/tests_app.rs

@@ -465,6 +465,14 @@ async fn app_execution_results_match_proposal_vs_after_proposal() {
     assert_eq!(prepare_proposal_result.txs, finalize_block.txs);
     assert_eq!(app.executed_proposal_hash, Hash::default());
     assert_eq!(app.validator_address.unwrap(), proposer_address);
+
+    // run maintence to clear out transactions
+    let current_account_nonce_getter = |address: Address| app.state.get_account_nonce(address);
+    app.mempool
+        .run_maintenance(current_account_nonce_getter)
+        .await
+        .unwrap();
+
     assert_eq!(app.mempool.len().await, 0);
 
     // call process_proposal - should not re-execute anything.
@@ -580,10 +588,18 @@ async fn app_prepare_proposal_cometbft_max_bytes_overflow_ok() {
         "total transaction length should be three, including the two commitments and the one tx \
          that fit"
     );
+
+    // run maintence to clear out transactions
+    let current_account_nonce_getter = |address: Address| app.state.get_account_nonce(address);
+    app.mempool
+        .run_maintenance(current_account_nonce_getter)
+        .await
+        .unwrap();
+
     assert_eq!(
         app.mempool.len().await,
         1,
-        "mempool should have re-added the tx that was too large"
+        "mempool should have still have the tx that was too large"
     );
 }
 
@@ -653,6 +669,14 @@ async fn app_prepare_proposal_sequencer_max_bytes_overflow_ok() {
         "total transaction length should be three, including the two commitments and the one tx \
          that fit"
     );
+
+    // run maintence to clear out transactions
+    let current_account_nonce_getter = |address: Address| app.state.get_account_nonce(address);
+    app.mempool
+        .run_maintenance(current_account_nonce_getter)
+        .await
+        .unwrap();
+
     assert_eq!(
         app.mempool.len().await,
         1,