tests: fix existing bump_fee tests
tests: fix existing bump_fee tests

neocogent/electrum,pooler/electrum-ltc,fujicoin/electrum-fjc,wakiyamap/electrum-mona,wakiyamap/electrum-mona,neocogent/electrum,pooler/electrum-ltc,pooler/electrum-ltc,vialectrum/vialectrum,fujicoin/electrum-fjc,fujicoin/electrum-fjc,spesmilo/electrum,wakiyamap/electrum-mona,wakiyamap/electrum-mona,spesmilo/electrum,neocogent/electrum,vialectrum/vialectrum,pooler/electrum-ltc,vialectrum/vialectrum,spesmilo/electrum,spesmilo/electrum