refactor(tests): convert the low-risk slice-to-map table tests

[mwbrooks]

Summary

Related to #315, #316, #320

This pull request refactors the remaining low-risk Table Tests from the Slice-to-Map Pattern. It's focused on simple struct conversions with no setup or teardown functions.

Reviewers

Hoping this is a easy, casual read for you. 📚 🎵

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.63%. Comparing base (7a210a8) to head (3a3c826).

Additional details and impacted files

@@                                    Coverage Diff                                    @@
##           mwbrooks-table-test-consistent-p3-slice-to-map-simple     #321      +/-   ##
=========================================================================================
+ Coverage                                                  64.61%   64.63%   +0.01%     
=========================================================================================
  Files                                                        212      212              
  Lines                                                      17755    17755              
=========================================================================================
+ Hits                                                       11473    11476       +3     
+ Misses                                                      5206     5205       -1     
+ Partials                                                    1076     1074       -2     

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