“Testing”

Set up and write Vitest unit/component tests for Next.js / React projects.

Conventions for .NET tests---test framework and library choices (xunit.v3, Testcontainers; no Moq or FluentAssertions), unit vs.

Design statistically sound GTM experiments for copy, channels, landing pages, sequencing, pricing, and funnel conversion.

End-to-end testing: valida flujos críticos de usuario sin importar qué herramientas tengas.

C# and .NET testing patterns with xUnit, FluentAssertions, mocking, integration tests, and test organization best practices.

cmux testing rules for Swift Testing, test target compilation, and package/refactor validation.

Use when setting up SDK testing, configuring contract tests, writing Arazzo test workflows, or running integration tests.

Use when defining automated testing strategies, organizing test pyramids, or establishing test naming conventions across Flutter apps.

Process tree test results — findability, success/directness scores, path analysis.

Comprehensive API validation covering functional, performance, and security testing with automation frameworks and CI/CD integration.

Use when writing Playwright end-to-end tests for Angular or sites, organizing page objects, collecting traces, or diagnosing flaky CI tests.

API testing from OpenAPI/Swagger or case schemas: parameters, boundaries, auth, idempotency, concurrency, error responses, data consistency; runnable scripts…

Generates and writes new unit tests for any programming language using a Research-Plan-Implement pipeline.

How to write Skill Doctor tests — unit, integration, CLI, fixtures, determinism, additive-only.

Write tests that pin real behavior instead of implementation details, config values, or lucky samples.

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

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

Generates Flutter widget tests, integration tests, and golden tests in Dart.

Set up or review tests in NewHeap consumer applications, including reusable test-helper packages, consumer test-project boundaries, relational integration…

Verify JavaScript and TypeScript projects through their declared package scripts, type checks, unit tests, and browser tests.

Comprehensive PHP testing with PHPUnit covering assertions, data providers, mocking, test doubles, database testing, and HTTP testing for reliable PHP…

Go testing patterns for production-grade code: subtests, test helpers, fixtures, golden files, httptest, testcontainers, fuzz testing, and testing/synctest.

Playwright visual regression testing for the assistant Flutter SPA.

Use when writing, running, diagnosing, reviewing, or stabilizing Flutter or Dart unit, widget, or golden tests — including requests like "add a test for…