## Task

Evaluate this code review comment. Read the source file and determine if the issue is valid.

**Instructions:**
1. Read the file mentioned in the review: `tests/test_version.py`
2. Check line 123 and surrounding context
3. Determine if the review feedback is valid
4. If valid: Fix the issue in the code
5. If invalid: Explain why the feedback doesn't apply

**Important:** Be concise. Either fix the code or explain in 2-3 sentences why it's not applicable.

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# Review Comment

- **Author:** coderabbitai[bot]
- **File:** `tests/test_version.py`
- **Line:** 123
- **Date:** 2026-02-07
- **Comment ID:** 2777124709
- **URL:** https://github.com/donghaozhang/video-agent-skill/pull/20#discussion_r2777124709

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_⚠️ Potential issue_ | _🟠 Major_

**Add type hints and Google‑style docstrings to test helpers and methods.**

Test helpers and public test methods are missing required type hints and docstring sections (Args/Returns/Cost/Example). Please apply the format consistently across this file.
