test: Fixup creatmultisig documentation and whitespace
test: Fixup creatmultisig documentation and whitespace

Github-Pull: #15831
Rebased-From: fad81d870aa6dd25d4fab5faad4c956ba364734a

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