Simon Sapin 894327e5d9 Don’t print passing unit tests (#43902) ...

This removes from the output of `./mach test-unit` hundreds of lines
like:

```
        PASS [   0.011s] style_tests str::test_str_join_empty
```

Signed-off-by: Simon Sapin <simon@igalia.com>

2026-04-04 01:59:05 +00:00

..

nextest.toml

Don’t print passing unit tests (#43902)

2026-04-04 01:59:05 +00:00