Run miner_tests with fixed options
Summary:
This is a partial backport of Core PR9868 : https://github.com/bitcoin/bitcoin/pull/9868/commits/277b472fb21db824fea9625a0287640fab4df282
Depends on D4072
Test Plan:
make check
Reviewers: #bitcoin_abc, Fabien
Reviewed By: #bitcoin_abc, Fabien
Differential Revision: https://reviews.bitcoinabc.org/D4081