Refactors the common code of test and bench targets into the solana_runtime::bpf_test_utils module. (#13203)

runtime/src/lib.rs

@@ -10,6 +10,7 @@ pub mod bank_forks;
 pub mod bank_utils;
 mod blockhash_queue;
 pub mod bloom;
+pub mod bpf_test_utils;
 pub mod builtins;
 pub mod commitment;
 pub mod epoch_stakes;