message: fix key test
diff: @@ -1048,8 +1048,6 @@ mod tests {
  AccessRights, URef,
  };
  - const BLOCK_HEIGHT: u64 = 245125;
  -
  const ACCOUNT_KEY: Key = Key::Account(AccountHash::new([42; 32]));
  const HASH_KEY: Key = Key::Hash([42; 32]);
  const UREF_KEY: Key = Key::URef(URef::new([42; 32], AccessRights::READ));
  @@ -1061,9 +1059,9 @@ mod tests {
  const WITHDRAW_KEY: Key = Key::Withdraw(AccountHash::new([42; 32]));
  const DICTIONARY_KEY: Key = Key::Dictionary([42; 32]);
  const SYSTEM_CONTRACT_REGISTRY_KEY: Key = Key::SystemContractRegistry;
  + const UNBOND_KEY: Key = Key::Unbond(AccountHash::new([42; 32]));
  const CHAINSPEC_REGISTRY_KEY: Key = Key::ChainspecRegistry;
  const CHECKSUM_REGISTRY_KEY: Key = Key::ChecksumRegistry;
  - const UNBOND_KEY: Key = Key::Unbond(AccountHash::new([42; 32]));
  const KEYS: [Key; 14] = [
  ACCOUNT_KEY,
  HASH_KEY,
  @@ -1076,9 +1074,9 @@ mod tests {
  WITHDRAW_KEY,
  DICTIONARY_KEY,
  SYSTEM_CONTRACT_REGISTRY_KEY,
  + UNBOND_KEY,
  CHAINSPEC_REGISTRY_KEY,
  CHECKSUM_REGISTRY_KEY,
  - UNBOND_KEY,
  ];
  const HEX_STRING: &str = "2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a";
  @@ -1361,18 +1359,14 @@ mod tests {
  r#"{{"SystemContractRegistry":"system-contract-registry-{}"}}"#,
  base16::encode_lower(&SYSTEM_CONTRACT_REGISTRY_KEY_BYTES)
  ),
  + format!(r#"{{"Unbond":"unbond-{}"}}"#, HEX_STRING),
  format!(
  r#"{{"ChainspecRegistry":"chainspec-registry-{}"}}"#,
  base16::encode_lower(&CHAINSPEC_REGISTRY_KEY_BYTES)
  ),
  - format!(r#"{{"Unbond":"unbond-{}"}}"#, HEX_STRING),
  format!(
  - r#"{{"BlockExecutionResultsChecksum":"block-effects-checksum-{}"}}"#,
  - BLOCK_HEIGHT
  - ),
  - format!(
  - r#"{{"DeployApprovalsChecksum":"deploy-approvals-checksum-{}"}}"#,
  - BLOCK_HEIGHT
  + r#"{{"ChecksumRegistry":"checksum-registry-{}"}}"#,
  + base16::encode_lower(&CHECKSUM_REGISTRY_KEY_BYTES)
  ),
  ];
  