Provides before/after patterns for migrating test files to React 19 compatibility, including act() imports, Simulate removal, and StrictMode call count changes.
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
SKILL.md / Manifest
https://raw.githubusercontent.com/github/awesome-copilot/main/plugins/react19-upgrade/skills/react19-test-patterns/SKILL.mdRegistry
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