“Testing”

Use when a coding agent just wrote tests and quality needs validation, when suspecting existing tests are green-but-hollow (test theater = passes but doesn't…

Write unit and integration tests for Angular v20+ applications using Vitest or Jasmine with TestBed and modern testing patterns.

Behavior-first testing workflow for adding regression coverage, writing tests, test-driving changes, or repairing tests across stacks.

Write deterministic tests that fail for real product defects.

When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program.

Write Playwright API tests and hybrid UI+API tests using the request fixture — REST/GraphQL calls, schema checks, auth tokens, network mocking with…

Test Gala programs — property testing, conformance, unit tests, CI integration

Test system for Megatron-LM.

Testing patterns for Mandu applications.

Ruby on Rails testing best practices for writing effective, maintainable test suites with RSpec.

Expert guidance on Swift Testing for writing, reviewing, migrating, and debugging tests.

Go and Bubbletea testing patterns for this repo.

Go testing patterns for Gentleman.Dots, including Bubbletea TUI testing.

Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or adding coverage/sanitizers.

Toolkit for interacting with and testing local web applications using Playwright.

API reference: Swift Testing framework.

Design Ash regression tests or remove redundant test coupling.

Run any combination of test suite, mutation testing, security review, and PR pre-check.

Guidelines and strategies for constructing meaningful test suites, property-based tests, metamorphic relations, and fuzzing harnesses.

Generate and run tests for Adobe App Builder actions and UI components.

Run and manage tests for clickup-cli.

Testing guide for Capacitor apps and plugins.

Test authentication, session, and access control on an authorized target — the login/admin bypass steps of a penetration test.

Use this workflow skill for running tests only: choose the narrowest relevant test command first and keep test runs fast and actionable; prefer validate when…