Integration and regression tests

[stoutta6]

Adding tests of batbot preprocess CLI with and without fast mode processing. Includes regression test on the example wav files.

[stoutta6]

@bluemellophone The new tests are failing to process example3.wav and example4.wav but not 1 or 2. Any idea why that might be?

I just tried a fresh environment install on my computer and it passes the tests.

edit: Tests also pass within the docker container.

[bluemellophone]

Following up, see here

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.6%. Comparing base (c398120) to head (30ccf91).

Additional details and impacted files

@@           Coverage Diff            @@
##            main     #38      +/-   ##
========================================
+ Coverage   57.4%   70.6%   +13.2%     
========================================
  Files          7       9       +2     
  Lines       1317    1354      +37     
========================================
+ Hits         756     956     +200     
+ Misses       561     398     -163     

Files with missing lines	Coverage Δ
batbot/batbot_cli.py	59.0% <100.0%> (+59.0%)	⬆️
tests/test_preprocess.py	100.0% <100.0%> (ø)
tests/test_preprocess_parallel.py	100.0% <100.0%> (ø)

... and 2 files with indirect coverage changes

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[stoutta6]

@bluemellophone Should be ready for your review now