test: Remove redundant unit tests and create a single unified suite

[isaacvando]

Ticket(s) Closed

Most of the unit tests cover functionality that is already tested by the integration tests (now that the integration tests include the generated SQL).

I added any missing unit tests to the main QueryTests file and remove the unit test project. This approach allows us to have more robust coverage than before with fewer total tests.

What

Why

How

Tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.87%. Comparing base (aebbe1a) to head (fc06b5e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #50      +/-   ##
==========================================
- Coverage   87.25%   85.87%   -1.39%     
==========================================
  Files          29       29              
  Lines         361      361              
  Branches       37       37              
==========================================
- Hits          315      310       -5     
- Misses         34       39       +5     
  Partials       12       12              

Flag	Coverage Δ
net10.0	85.87% <ø> (-1.39%)	⬇️
net8.0	85.87% <ø> (-1.39%)	⬇️
net9.0	85.87% <ø> (-1.39%)	⬇️

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see 2 files with indirect coverage changes

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