Fix test teardown method and remove redundant assertion

[Copilot]

Addresses review feedback from PR #4 review thread by fixing test infrastructure issues.

Test lifecycle fix:

• Renamed test_asyncTearDown() → asyncTearDown() in tests/test_func.py
• Method was running as a test instead of teardown, leaving Redis connections unclosed after each test

Test assertion cleanup:

• Removed redundant assertTrue(fq._r is None) in tests/test_edge_cases.py
• assertIsNone(fq._r) already present on previous line with better error messages

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[Copilot]

Pull request overview

Fixes async test teardown wiring so cleanup runs correctly, and removes a redundant assertion in edge case tests.

Changes:

• Renamed test_asyncTearDown to asyncTearDown so unittest.IsolatedAsyncioTestCase runs teardown properly after each async test.
• Removed a duplicate assertTrue(fq._r is None) in favor of the existing assertIsNone(fq._r).

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
tests/test_func.py	Renames the teardown method to the correct asyncTearDown hook to ensure Redis cleanup executes after each test.
tests/test_edge_cases.py	Removes a redundant assertion, keeping the clearer assertIsNone check.

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