[diskann-quantization] Consolidate test directories

[Mark Hildebrand (hildebrandmw)]

Consolidate tests and test into just tests.

[Copilot]

Pull request overview

This PR updates diskann-quantization’s spherical quantization tests to use a single canonical tests/ directory (removing the legacy test/ path) and relocates the generated baseline JSON fixtures accordingly.

Changes:

• Updated the spherical test baseline path builder to read baselines from tests/generated/spherical.
• Added/relocated generated spherical baseline JSON fixtures under diskann-quantization/tests/generated/spherical.

Reviewed changes

Copilot reviewed 1 out of 16 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
diskann-quantization/src/spherical/iface.rs	Updates the test baseline path to use tests/ instead of test/.
diskann-quantization/tests/generated/spherical/4bit_squared_l2_padding_hadamard.json	Generated spherical baseline fixture under consolidated tests/ directory.
diskann-quantization/tests/generated/spherical/4bit_squared_l2_null.json	Generated spherical baseline fixture under consolidated tests/ directory.
diskann-quantization/tests/generated/spherical/2bit_squared_l2_double_hadamard.json	Generated spherical baseline fixture under consolidated tests/ directory.
diskann-quantization/tests/generated/spherical/2bit_cosine_double_hadamard.json	Generated spherical baseline fixture under consolidated tests/ directory.
diskann-quantization/tests/generated/spherical/1bit_squared_l2_double_hadamard.json	Generated spherical baseline fixture under consolidated tests/ directory.
diskann-quantization/tests/generated/spherical/1bit_cosine_double_hadamard.json	Generated spherical baseline fixture under consolidated tests/ directory.

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[Codecov Comments Bot (codecov-commenter)]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.54%. Comparing base (2bb3a53) to head (f06c542).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1335      +/-   ##
==========================================
- Coverage   92.54%   91.54%   -1.00%     
==========================================
  Files         522      522              
  Lines       99531    99531              
==========================================
- Hits        92107    91120     -987     
- Misses       7424     8411     +987     

Flag	Coverage Δ
miri	91.54% <100.00%> (-1.00%)	⬇️
unittests	91.22% <100.00%> (-1.28%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
diskann-quantization/src/spherical/iface.rs	90.19% <100.00%> (-0.19%)	⬇️

... and 44 files with indirect coverage changes

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