[Fix] Fix Async test cases

[psriramsnc]

🐞 Bug Fix: Fix Async test cases

✨ Summary

This PR refactors and enhances unit tests for all models and clients by improving async test handling using asyncio.run() and restructuring test methods for better readability and consistency.

Key improvements:

• 🔄 Ensured consistent asyncio.run() usage across all test cases.
• ✅ Improved mock setup (AsyncMock, MagicMock) for better async behavior simulation.
• 🧩 Enhanced coverage for different response scenarios including success, HTTP errors, rate limits, and server errors.

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🧭 Impacted Features

Updated Test cases to support Async tests.

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🧪 How to Test

• Run

  make test-verbose

• Verify that all tests pass successfully ✅

• Confirm no warnings about un-awaited coroutines 🌀

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Screenshots (if applicable)

NA

Checklist

• Lint fixes and unit testing done
• End to end task testing
• Documentation updated

Notes

This update improves test isolation and async reliability. No User facing changes were made.

[amitsnow]

LGTM 🚀

[zephyrzilla]

LGTM