[feature]: [tests] Proposal to add test coverage for backend API endpoints

[mohamedhayballa22]

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Summary

During a deep-dive to understand the codebase, I noticed that the backend test suite has an architecture in place but contains several empty test files for core API modules, such as test_issue.py and test_project.py. This proposal is to begin methodically adding test coverage to these modules, following the established "outside-in" testing philosophy and leveraging the existing base classes like AuthenticatedAPITest to ensure consistency.

Why should this be worked on?

Bolstering the test suite for these core features is a high-impact way to improve the project's long-term health. By starting to pay down this testing-related technical debt, we can make the entire application more stable and robust. As a contributor looking to help, I would appreciate any guidance on which API endpoints would be the most valuable to start with. I'm ready to begin with a small, focused Pull Request on a single endpoint to demonstrate the approach.

[dheeru0198]

@mohamedhayballa22 We have recently overhauled the testing approach and introduced a pytest based testing strategy for the plane backend. You can check the corresponding PR which introduces this strategy. The tests you've mentioned are from the previous unmaintained test cases. We already started working on adding test cases incrementally. You should be seeing more test cases covering multiple parts of the backend code base.

Thank you for your concern regarding the project's long-term health. You can check the new strategy and start contributing to the test cases.