test: improve local dev experience

[ishymko]

Description

Currently running uv run pytest in the freshly cloned repo fails due to optional dependencies not being installed by default for dev dependency group. This is also not documented in tests/README.md.

1. Install all dependencies for dev group to provide better experience for contributors running tests locally after their changes. Tests which don't require any extra setup (like we have for tests against real DBs) should pass without additional actions.
2. Remove extra dev dependencies duplicated in dev and other optional groups as we now reference all.
3. Update readme with detailed instructions and mention script from test: add script to run DB integration tests locally #653.
4. Rename the script from test: add script to run DB integration tests locally #653 so it doesn't conflict with "integration tests" we have for client-server integration.

[gemini-code-assist]

Summary of Changes

Hello @ishymko, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on enhancing the local development and testing experience. It achieves this by streamlining the project's development dependencies through consolidation into a single package and by introducing a dedicated, well-documented script for running database integration tests. These changes aim to make the testing workflow more efficient and user-friendly for developers.

Highlights

• Dependency Management Streamlined: Several individual development dependencies (like PyJWT, fastapi, sse-starlette, and starlette) have been removed and consolidated into a single a2a-sdk[all] package in pyproject.toml and uv.lock.
• Enhanced Database Integration Testing: A new script, scripts/run_db_tests.sh (renamed from scripts/run_integration_tests.sh), has been introduced to manage and execute database integration tests, including Docker-based setup for PostgreSQL and MySQL.
• Improved Test Documentation: The tests/README.md file has been significantly updated to provide comprehensive instructions for running all tests, specific tests, and the new database integration tests, along with useful pytest flags.

Ignored Files

• Ignored by pattern: .github/workflows/** (1)
  • .github/workflows/unit-tests.yml

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[gemini-code-assist]

Code Review

This pull request significantly improves the local development experience by updating test execution commands and enhancing the documentation in tests/README.md. The changes to pyproject.toml to consolidate development dependencies under a2a-sdk[all] and use a workspace source for uv are excellent. I've identified a couple of minor areas for improvement: an outdated script name in a user-facing message and a potentially destructive cleanup command in the documentation. These are small fixes that will further polish the developer experience.