Added some more tests for the docker_runner

[codecov[bot]]

Codecov Report

Base: 33.77% // Head: 47.65% // Increases project coverage by +13.88% :tada:

Coverage data is based on head (bf7dfd0) compared to base (34d1038). Patch coverage: 66.50% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #115 +/- ## =========================================== + Coverage 33.77% 47.65% +13.88% =========================================== Files 12 13 +1 Lines 986 1110 +124 =========================================== + Hits 333 529 +196 + Misses 653 581 -72 ``` | [Impacted Files](https://codecov.io/gh/0xricksanchez/like-dbg/pull/115?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b) | Coverage Δ | | |---|---|---| | [src/kernel\_builder.py](https://codecov.io/gh/0xricksanchez/like-dbg/pull/115/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b#diff-c3JjL2tlcm5lbF9idWlsZGVyLnB5) | `0.00% <ø> (ø)` | | | [start\_kgdb.py](https://codecov.io/gh/0xricksanchez/like-dbg/pull/115/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b#diff-c3RhcnRfa2dkYi5weQ==) | `0.00% <0.00%> (ø)` | | | [src/docker\_runner.py](https://codecov.io/gh/0xricksanchez/like-dbg/pull/115/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b#diff-c3JjL2RvY2tlcl9ydW5uZXIucHk=) | `77.41% <86.48%> (+77.41%)` | :arrow_up: | | [src/kernel\_unpacker.py](https://codecov.io/gh/0xricksanchez/like-dbg/pull/115/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b#diff-c3JjL2tlcm5lbF91bnBhY2tlci5weQ==) | `97.26% <100.00%> (ø)` | | | [src/tests/test\_docker\_runner.py](https://codecov.io/gh/0xricksanchez/like-dbg/pull/115/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b#diff-c3JjL3Rlc3RzL3Rlc3RfZG9ja2VyX3J1bm5lci5weQ==) | `100.00% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=434b)

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