Add more tests

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 71.77419% with 35 lines in your changes are missing coverage. Please review.

Project coverage is 82.83%. Comparing base (8b73624) to head (41848be).

Files	Patch %	Lines
sam/bot.py	56.00%	33 Missing :warning:
sam/__main__.py	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #65 +/- ## =========================================== + Coverage 67.74% 82.83% +15.09% =========================================== Files 11 11 Lines 465 501 +36 =========================================== + Hits 315 415 +100 + Misses 150 86 -64 ```

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