🧪 test: add pytest for CDCSodaExtractor.save_to_csv

[Data-Science-Link]

🎯 What: Added a unit test for CDCSodaExtractor.save_to_csv in the cdc_api data source.
📊 Coverage: The test covers the happy path for creating parent directories and accurately writing pd.DataFrame structures to CSV format.
✨ Result: Test coverage improved for the CDC SODA extraction module with deterministic output verification leveraging pytest and the tmp_path fixture.

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PR created automatically by Jules for task 6654465092290984505 started by @Data-Science-Link

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[github-actions]

🔒 Security Scan Complete

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