Create tests

[Noah-Haf]

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[Copilot]

Pull Request Overview

This PR introduces tests for the ranking functionality and cleans up obsolete example tests, while updating dependency and CI configuration.

• Added ranking tests in tests/test_ranks.py to verify client functions like setRank, promote, and demote.
• Removed outdated tests from tests/test_example.py.
• Updated dependency management in pyproject.toml and improved CI configuration in .github/workflows/main.yml and CONTRIBUTING.md.

Reviewed Changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/test_ranks.py	Added tests to verify ranking functionality for the client.
tests/test_example.py	Removed obsolete example tests.
pyproject.toml	Added the python-dotenv dependency to support environment variable management.
CONTRIBUTING.md	Updated instructions to include copying the environment template file.
.github/workflows/main.yml	Configured environment variables for the test workflow.

Files not reviewed (1)

• .example.env: Language not supported

Comments suppressed due to low confidence (2)

tests/test_ranks.py:34

• [nitpick] The function name and docstring for test_set_rank_two are identical to test_set_rank_one; consider renaming or updating the docstring to clarify the distinct behavior of the test.

def test_set_rank_two():

.github/workflows/main.yml:51

• Verify that the command 'uv run python -m pytest tests' is intentional, as 'uv' is not a commonly used prefix for running tests and might be a typo.

run: uv run python -m pytest tests