move test fn into its own mod (#24212)

* move test fn into its own mod

* pub

accounts-bench/src/main.rs

@@ -6,7 +6,10 @@ use {
     rayon::prelude::*,
     solana_measure::measure::Measure,
     solana_runtime::{
-        accounts::{create_test_accounts, update_accounts_bench, Accounts},
+        accounts::{
+            test_utils::{create_test_accounts, update_accounts_bench},
+            Accounts,
+        },
         accounts_db::AccountShrinkThreshold,
         accounts_index::AccountSecondaryIndexes,
         ancestors::Ancestors,

runtime/benches/accounts.rs

@@ -8,7 +8,7 @@ use {
     rand::Rng,
     rayon::iter::{IntoParallelRefIterator, ParallelIterator},
     solana_runtime::{
-        accounts::{create_test_accounts, AccountAddressFilter, Accounts},
+        accounts::{test_utils::create_test_accounts, AccountAddressFilter, Accounts},
         accounts_db::AccountShrinkThreshold,
         accounts_index::{AccountSecondaryIndexes, ScanConfig},
         ancestors::Ancestors,

runtime/src/accounts.rs

@@ -1311,6 +1311,10 @@ pub fn prepare_if_nonce_account<'a>(
     }
 }
 
+/// A set of utility functions used for testing and benchmarking
+pub mod test_utils {
+    use super::*;
+
     pub fn create_test_accounts(
         accounts: &Accounts,
         pubkeys: &mut Vec<Pubkey>,
@@ -1335,6 +1339,7 @@ pub fn update_accounts_bench(accounts: &Accounts, pubkeys: &[Pubkey], slot: u64)
             accounts.store_slow_uncached(slot, pubkey, &account);
         }
     }
+}
 
 #[cfg(test)]
 mod tests {

runtime/src/serde_snapshot/tests.rs

@@ -2,7 +2,7 @@
 use {
     super::*,
     crate::{
-        accounts::{create_test_accounts, Accounts},
+        accounts::{test_utils::create_test_accounts, Accounts},
         accounts_db::{get_temp_accounts_paths, AccountShrinkThreshold},
         bank::{Bank, StatusCacheRc},
         hardened_unpack::UnpackedAppendVecMap,