fanquake 9be4565c2d
ci: re-enable gui tests for s390x
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
```
2023-06-30 11:15:57 +01:00
..
2023-05-29 09:16:21 +02:00