Add tests for verbose parameter behavior (Closes #34)

[elbeejay]

This PR adds tests to ensure the verbose parameter correctly controls print statements and deprecation warnings across the codebase, effectively resolving #34.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.81%. Comparing base (2f3a431) to head (6b37e9f).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #63      +/-   ##
==========================================
+ Coverage   95.03%   96.81%   +1.78%     
==========================================
  Files           4        4              
  Lines         786      786              
==========================================
+ Hits          747      761      +14     
+ Misses         39       25      -14     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.