fix: resolve SKILL.md validation errors

skills/python-testing-patterns/SKILL.md

@@ -1,6 +1,8 @@
 ---
 name: python-testing-patterns
 description: "Implement comprehensive testing strategies with pytest, fixtures, mocking, and test-driven development. Use when writing Python tests, setting up test suites, or implementing testing best practices."
+risk: unknown
+source: community
 ---
 
 # Python Testing Patterns