test: monkeypatch print_info test

[cadenmyers13]

closes #84

[cadenmyers13]

@sbillinge ready for review. This gets rid of subprocess, but the tradeoff is now we use monkeypatch. In a way this is kind of a workaround but might be okay for this given case. Let me know what your think.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.63%. Comparing base (f6ce689) to head (cd1eb20).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #89      +/-   ##
==========================================
- Coverage   92.78%   92.63%   -0.16%     
==========================================
  Files           3        3              
  Lines         194      190       -4     
==========================================
- Hits          180      176       -4     
  Misses         14       14              

Files with missing lines	Coverage Δ
tests/conftest.py	88.88% <ø> (-1.23%)	⬇️
tests/test_packsmanager.py	95.23% <100.00%> (+0.28%)	⬆️

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[sbillinge]

this is good but we use in teh group pytest.mocker and not monkeypatch, please could you replace with that?

[cadenmyers13]

@sbillinge done. ready for review