qa: Check unconfirmed balance after loadwallet
qa: Check unconfirmed balance after loadwallet

Github-Pull: #15652
Rebased-From: 4bf1b1cefa9723bf2cfa8b1a938757abc99bb17b

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