These work for me now. If they still don't work in other setups,
maybe we can better document the issues.
```bash
time FILE_ENV="./ci/test/00_setup_env_s390x.sh" ./ci/test_run_all.sh
...
Running tests: coins_tests from test/coins_tests.cpp
PASS: qt/test/test_bitcoin-qt
Running tests: coinstatsindex_tests from test/coinstatsindex_tests.cpp
...
Stop and remove CI container by ID
+ docker container kill 617bef8accb87530e5fbb03ff07b3b9f0aa9e3030d4da424c9612d153ab98dbf
617bef8accb87530e5fbb03ff07b3b9f0aa9e3030d4da424c9612d153ab98dbf
real 51m37.809s
```