fix(flags): fix logger level flags

[RogerLamTd]

• running main with --verbosity flag now displays appropriate level logs
• can now change verbosity level of tests (0-5) in test_env.sh

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.40%. Comparing base (5ade026) to head (0ff8baf).

❗ Current head 0ff8baf differs from pull request most recent head 231f013. Consider uploading reports for the commit 231f013 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #575      +/-   ##
==========================================
+ Coverage   53.34%   53.40%   +0.05%     
==========================================
  Files          47       47              
  Lines        6047     6041       -6     
==========================================
  Hits         3226     3226              
+ Misses       2469     2463       -6     
  Partials      352      352              

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