QA: add basic walletcreatefunded optional arg test
QA: add basic walletcreatefunded optional arg test

Github-Pull: #13968
Rebased-From: 1f0c4282e961baea85d5f74d7493bd7459784391
Tree-SHA512: 1f8b10629a314f623d589801ef2e62724de2cd82a0e523e0ab25a285f92b76a3b31304c1c0418b1b611ec3ca0016016d1e6af410ac81a78449b875c4f89a46d7

chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin,chaincoin/chaincoin