principle-test-behavior-not-implementation

Apply when you write, change, or keep a test. Call the code the way its users do and assert the result they observe against a literal expected value. If the test would still pass when every imported f

Get it

$ npx degit michael-denyer/pstack-claude/plugins/pstack/skills/principle-test-behavior-not-implementation .claude/skills/principle-test-behavior-not-implementation

From the most-starred rig that ships it: michael-denyer/pstack-claude. Same-named skills in different rigs may differ — review before use.

Often used together with

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