message: [test] fix test
diff: @@ -12,7 +12,7 @@ use types::transaction::{
  };
  //TODO
  -pub const TXN_RESERVED: u64 = 1;
  +pub const TXN_RESERVED: u64 = 50_000;
  pub const DEFAULT_EXPIRATION_TIME: u64 = 40_000;
  /// Returns a transaction to create a new account with the given arguments.
  