New comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/29272#issuecomment-793144998

Comment:
```
 ---- tests::tags_test::test_tags_with_parse_error stdout ----
thread 'tests::tags_test::test_tags_with_parse_error' panicked at 'called `Result::unwrap()` on an `Err` value: Error(["No such file or directory (os error 2)", "Failed to read grammar.json"])', cli/src/tests/helpers/fixtures.rs:25:10
```

maybe the tests are running in the wrong directory?