message: [Executor] Update executor tests to use owner keys instead of operator keys.
  Closes:
  Approved by: davidiw
diff: @@ -12,6 +12,7 @@ use executor_types::BlockExecutor;
  use libra_config::{config::NodeConfig, utils::get_genesis_txn};
  use libra_crypto::{ed25519::*, test_utils::TEST_SEED, x25519, HashValue, PrivateKey, Uniform};
  use libra_types::{
  + account_address,
  account_config::{
  coin1_tag, from_currency_code_string, libra_root_address, testnet_dd_account_address,
  treasury_compliance_account_address, COIN1_NAME,
  @@ -85,10 +86,9 @@ fn test_reconfiguration() {
  .test
  .as_mut()
  .unwrap()
  - .operator_keypair
  + .owner_keypair
  .as_mut()
  .unwrap();
  - let validator_privkey = keys.take_private().unwrap();
  let validator_pubkey = keys.public_key();
  let auth_key = AuthenticationKey::ed25519(&validator_pubkey);
  assert!(
  @@ -144,14 +144,23 @@ fn test_reconfiguration() {
  let txn2 = encode_block_prologue_script(gen_block_metadata(1, validator_account));
  // txn3 = rotate the validator's consensus pubkey
  + let operator_key = config
  + .test
  + .as_mut()
  + .unwrap()
  + .operator_keypair
  + .as_mut()
  + .unwrap();
  + let operator_account = account_address::from_public_key(&operator_key.public_key());
  +
  let new_pubkey = Ed25519PrivateKey::generate_for_testing().public_key();
  let mut rng = ::rand::rngs::StdRng::from_seed(TEST_SEED);
  let new_network_pubkey = x25519::PrivateKey::generate(&mut rng).public_key();
  let txn3 = get_test_signed_transaction(
  - validator_account,
  + operator_account,
  /* sequence_number = */ 0,
  - validator_privkey,
  - validator_pubkey,
  + operator_key.take_private().unwrap(),
  + operator_key.public_key(),
  Some(encode_set_validator_config_script(
  validator_account,
  new_pubkey.to_bytes().to_vec(),
  @@ -188,7 +197,7 @@ fn test_reconfiguration() {
  let t3 = db
  .reader
  - .get_txn_by_account(validator_account, 0, current_version, true)
  + .get_txn_by_account(operator_account, 0, current_version, true)
  .unwrap();
  verify_committed_txn_status(t3.as_ref(), &txn_block[2]).unwrap();
  @@ -311,7 +320,7 @@ fn test_change_publishing_option_to_custom() {
  .test
  .as_mut()
  .unwrap()
  - .operator_keypair
  + .owner_keypair
  .as_mut()
  .unwrap();
  let validator_privkey = keys.take_private().unwrap();
  @@ -480,7 +489,7 @@ fn test_extend_whitelist() {
  .test
  .as_mut()
  .unwrap()
  - .operator_keypair
  + .owner_keypair
  .as_mut()
  .unwrap();
  let validator_privkey = keys.take_private().unwrap();
  