Call wait_for_completed_scheduler in banking simulator

core/Cargo.toml

@@ -17,6 +17,7 @@ codecov = { repository = "solana-labs/solana", branch = "master", service = "git
 ahash = { workspace = true }
 anyhow = { workspace = true }
 arrayvec = { workspace = true }
+assert_matches = { workspace = true }
 base64 = { workspace = true }
 bincode = { workspace = true }
 bs58 = { workspace = true }

core/src/banking_simulation.rs

@@ -10,6 +10,7 @@ use {
         },
         validator::BlockProductionMethod,
     },
+    assert_matches::assert_matches,
     bincode::deserialize_from,
     crossbeam_channel::{unbounded, Sender},
     itertools::Itertools,
@@ -452,6 +453,9 @@ impl SimulatorLoop {
                 info!("Bank::new_from_parent()!");
 
                 logger.log_jitter(&bank);
+                if let Some((result, _execute_timings)) = bank.wait_for_completed_scheduler() {
+                    assert_matches!(result, Ok(()));
+                }
                 bank.freeze();
                 let new_slot = if bank.slot() == self.parent_slot {
                     info!("initial leader block!");