Adding check time to invariant checks for option to not check every block

[codecov[bot]]

Codecov Report

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

Project coverage is 81.43%. Comparing base (2826186) to head (ff22278). Report is 76 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1647 +/- ## ========================================= + Coverage 0 81.43% +81.43% ========================================= Files 0 98 +98 Lines 0 7412 +7412 ========================================= + Hits 0 6036 +6036 - Misses 0 1376 +1376 ``` | [Flag](https://app.codecov.io/gh/delvtech/agent0/pull/1647/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/delvtech/agent0/pull/1647/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | `81.43% <ø> (?)` | | 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=delvtech#carryforward-flags-in-the-pull-request-comment) to find out more.

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