In `test_edition_parsing`, change the `build_session_options_and_crate_config` call to `build_session_options`, because the config isn't used. That leaves a single call site for `build_session_options_and_crate_config`, so just inline and remove it.
In `test_edition_parsing`, change the `build_session_options_and_crate_config` call to `build_session_options`, because the config isn't used. That leaves a single call site for `build_session_options_and_crate_config`, so just inline and remove it.