test-quality

test-quality is a Test suite operations & coverage skill for AI agents, published by rollinsio in the beyond-test-coverage repository on GitHub. Skillspace rates test-quality C (78/100) and it passed the safety scan; the rating is based on static analysis only.

Audit, harden, or generate unit tests with a focus on mutation-resistance and durable quality — not just coverage %. Use when the user asks to improve or harden test quality, make tests less fragile/brittle, review tests for anti-patterns (error-message-substring asserts, private-symbol access, tautological constructor readbacks, recomputed-crypto expectations, over-mocking, missing boundary tests, unrolled cases that should be parametrized), generate a high-quality suite for an untested module, or generally "make my tests better". Measures a suite against a validated quality scorecard and iterates until it plateaus, holding coverage as a non-regression floor and REPL-verifying library assumptions. Works across stacks — Python/pytest (validated), JavaScript/TypeScript (Jest, Vitest, Mocha/Chai, node:test), Go, Kotlin (kotlin.test/JUnit5/Kotest), and Swift (XCTest/Swift Testing/Quick) — with a per-language scorer; the rubric is the same everywhere.

Grade

C

Quality

78 / 100

Safety

Passed

GitHub stars

42

Unproven: rated by static analysis only, not yet compared head-to-head.

Our two independent classifiers differ on this skill's category, so treat the placement as provisional.

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