Added unit test setup for worker

[ritwik-g]

What

• Added unit tests for worker.
• Comments with the test report for worker when even a commit is made to the PR.
• Adds the report in the summary of the github workflow run for history as well. Example - Check the bottom part at history
• Some minor refactoring for writing unit tests.

Why

• For improving the Developer experience and quality of code.

How

Can this PR break any existing features. If yes, please list possible items. If no, please explain why. (PS: Admins do not merge the PR without this section filled)

Database Migrations

Env Config

Relevant Docs

Related Issues or PRs

Dependencies Versions

Notes on Testing

• Checked running tox and pytest from vs code
• Also executed a workflow from unstract UI to make sure refactoring didn't cause any regressions

Screenshots

Checklist

I have read and understood the Contribution Guidelines.

[jaseemjaskp]

LGTM

[gaya3-zipstack]

Looks good.

[kirtimanmishrazipstack]

LGTM

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

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