Port apt cloud_tests to integration tests

[TheRealFalcon]

Proposed Commit Message

Port apt cloud_tests to integration tests

Additional Context

This should cover all of the apt_*.py test cases currently in the cloud tests. I ported things as close to 1:1 as possible, but added some different PPA sources to ensure a source from one test wasn't affected a check in another.

I also question the value of a couple of these tests. In particular, the ones under TestDefaults, and wondering if we need 3 different tests for what's in test_key, test_keyserver, and test_ppa. I think it's fine to keep them, but if reviewers have strong opinions on deleting anything, let me know.

Test Steps

pytest tests/integration_tests/modules/test_apt.py

Checklist:

• My code follows the process laid out in the documentation
• I have updated or added any unit tests accordingly
• I have updated or added any documentation accordingly

[blackboxsw]

Looks good, I appreciate reducing and consolidating the test cases anywhere we have the ability to test non-conflicting features. Integration tests are too time/CPU costly for setup/teardown to not leverage some of that setup for multiple tests where applicable. Even in the test/cloud_tests we talked about trying to combine some tests that would not be destructive for other feature tests. Expedite test where we can and where it doesn't cause us problems in terms of getting a valid signal on a test failure.