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programs/sbf/tests/simulation.rs

@@ -80,7 +80,5 @@ fn test_no_panic_rpc_client() {
         blockhash,
     );
 
-    rpc_client
-        .send_and_confirm_transaction(&transaction)
-        .unwrap();
+    rpc_client.simulate_transaction(&transaction).unwrap();
 }

programs/sbf/tests/sysvar.rs

@@ -8,7 +8,6 @@ use {
     solana_sdk::{
         feature_set::disable_fees_sysvar,
         instruction::{AccountMeta, Instruction},
-        message::Message,
         pubkey::Pubkey,
         signature::{Keypair, Signer},
         sysvar::{
@@ -72,9 +71,12 @@ fn test_sysvar_syscalls() {
                 AccountMeta::new_readonly(epoch_rewards::id(), false),
             ],
         );
-        let blockhash = bank.last_blockhash();
-        let message = Message::new(&[instruction], Some(&mint_keypair.pubkey()));
-        let transaction = Transaction::new(&[&mint_keypair], message, blockhash);
+        let transaction = Transaction::new_signed_with_payer(
+            &[instruction],
+            Some(&mint_keypair.pubkey()),
+            &[&mint_keypair],
+            bank.last_blockhash(),
+        );
         let sanitized_tx = SanitizedTransaction::from_transaction_for_tests(transaction);
         let result = bank.simulate_transaction(&sanitized_tx, false);
         assert!(result.result.is_ok());