Migration of Test Suite from Ward to Pytest

[tallhypnosis]

This pull request migrates the test suite from Ward to Pytest. The decision to migrate was made to leverage Pytest's robust features and better align with industry standards and community preferences.

Changes Made:

• Rewrote existing tests using Pytest syntax and assertions.
• Updated test fixtures and setup to align with Pytest conventions.
• Ensured compatibility with Pytest's async support for asynchronous tests.

Kindly! review it.

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[tallhypnosis]

Hi everyone,

I've just submitted a pull request to migrate the test suite from Ward to Pytest. This involved rewriting existing tests using Pytest syntax and assertions, updating fixtures, and ensuring compatibility with Pytest's async support.

Please feel free to review the changes and provide any feedback or suggestions you may have. I'm available to address any questions or concerns you may have.

Thanks,
Yash

[ZeroIntensity]

This closes #164