message: adapt transaction test to the new create_wallet signature
diff: @@ -20,11 +20,12 @@ static uint8_t txid[32] = {0};
  void setUp()
  {
  - wallet = cardano_wallet_new(
  + cardano_result wallet_rc = cardano_wallet_new(
  static_wallet_entropy,
  sizeof(static_wallet_entropy),
  "password",
  - strlen("password"));
  + strlen("password"),
  + &wallet);
  account = cardano_account_create(wallet, "main", 0);
  