message: [State Sync] Update failing test in state sync to use correct keys for set-config.
  Closes:
  Approved by: davidiw
diff: @@ -17,6 +17,7 @@ use libra_crypto::{
  x25519, HashValue,
  };
  use libra_types::{
  + account_address,
  account_config::{lbr_type_tag, libra_root_address},
  on_chain_config::{OnChainConfig, VMConfig, VMPublishingOption},
  };
  @@ -79,16 +80,17 @@ fn test_on_chain_config_pub_sub() {
  let genesis_account = libra_root_address();
  let network_config = config.validator_network.as_ref().unwrap();
  let validator_account = network_config.peer_id();
  - let keys = config
  + let operator_key = config
  .test
  .as_mut()
  .unwrap()
  .operator_keypair
  .as_mut()
  + .unwrap()
  + .take_private()
  .unwrap();
  -
  - let validator_privkey = keys.take_private().unwrap();
  - let validator_pubkey = keys.public_key();
  + let operator_public_key = operator_key.public_key();
  + let operator_account = account_address::from_public_key(&operator_public_key);
  // Create a dummy block prologue transaction that will bump the timer.
  let txn1 = encode_block_prologue_script(gen_block_metadata(1, validator_account));
  @@ -169,10 +171,10 @@ fn test_on_chain_config_pub_sub() {
  let mut rng = ::rand::rngs::StdRng::from_seed(TEST_SEED);
  let new_network_pubkey = x25519::PrivateKey::generate(&mut rng).public_key();
  let txn5 = get_test_signed_transaction(
  - validator_account,
  + operator_account,
  /* sequence_number = */ 0,
  - validator_privkey,
  - validator_pubkey,
  + operator_key,
  + operator_public_key,
  Some(encode_set_validator_config_script(
  validator_account,
  new_pubkey.to_bytes().to_vec(),
  