src/test/miner_tests: re-enable now-working test again
src/test/miner_tests: re-enable now-working test again

btc1/bitcoin,core-bitcoin/bitcoin,core-bitcoin/bitcoin,core-bitcoin/bitcoin,btc1/bitcoin,core-bitcoin/bitcoin,btc1/bitcoin,btc1/bitcoin,core-bitcoin/bitcoin,btc1/bitcoin,btc1/bitcoin,core-bitcoin/bitcoin