[tidy_first] Set default for STATE_MODIFIED_COMPARE_VARS flag, mark TestProjInfo as not a test class

[aranke]

Resolves #

Problem

Solution

Checklist

• [ ] I have read the contributing guide and understand what's expected of me.
• [ ] I have run this code in development, and it appears to resolve the stated issue.
• [ ] This PR includes tests, or tests are not required or relevant for this PR.
• [ ] This PR has no interface changes (e.g., macros, CLI, logs, JSON artifacts, config files, adapter interface, etc.) or this PR has already received feedback and approval from Product or DX.
• [ ] This PR includes type annotations for new and modified functions.

[github-actions[bot]]

Thank you for your pull request! We could not find a changelog entry for this change. For details on how to document a change, see the contributing guide.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.17%. Comparing base (5e9f1b5) to head (28a381f). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #10805 +/- ## ========================================== - Coverage 89.22% 89.17% -0.06% ========================================== Files 183 183 Lines 23456 23457 +1 ========================================== - Hits 20929 20917 -12 - Misses 2527 2540 +13 ``` | [Flag](https://app.codecov.io/gh/dbt-labs/dbt-core/pull/10805/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dbt-labs) | Coverage Δ | | |---|---|---| | [integration](https://app.codecov.io/gh/dbt-labs/dbt-core/pull/10805/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dbt-labs) | `86.41% <100.00%> (-0.14%)` | :arrow_down: | | [unit](https://app.codecov.io/gh/dbt-labs/dbt-core/pull/10805/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dbt-labs) | `62.09% <100.00%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dbt-labs#carryforward-flags-in-the-pull-request-comment) to find out more. | [Components](https://app.codecov.io/gh/dbt-labs/dbt-core/pull/10805/components?src=pr&el=components&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dbt-labs) | Coverage Δ | | |---|---|---| | [Unit Tests](https://app.codecov.io/gh/dbt-labs/dbt-core/pull/10805/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dbt-labs) | `62.09% <100.00%> (+<0.01%)` | :arrow_up: | | [Integration Tests](https://app.codecov.io/gh/dbt-labs/dbt-core/pull/10805/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=dbt-labs) | `86.41% <100.00%> (-0.14%)` | :arrow_down: |