BUG: make duplicated hashtable test levels distinct

[xirafa]

Mirror of pandas-dev/pandas#66786. Runs the pandas test suite through dagz.

Summary by CodeRabbit

• Tests
  • Improved duplicate-detection test setup by consistently reusing a seeded random generator, ensuring stable and reproducible test data.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 685bb408-5873-48a1-8cad-9bba827a8f93

📥 Commits

Reviewing files that changed from the base of the PR and between d63f24e and f1589e0.

📒 Files selected for processing (1)

• pandas/tests/indexes/multi/test_duplicates.py

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📝 Walkthrough

Walkthrough

The duplicate-detection test now creates one seeded random generator and reuses it when sampling codes for each level.

Changes

Duplicate detection test

Layer / File(s)	Summary
Reuse seeded generator pandas/tests/indexes/multi/test_duplicates.py	test_duplicated_hashtable_impl reuses one seeded random generator for all level-code sampling.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to f1589

This is a narrowly scoped test-only change, and no actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main test fix: making duplicated hashtable test levels distinct.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch aryansk/fix/66774-duplicated-hashtable-rng

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