testing

Design, run, and interpret unit, integration, and end-to-end tests.

4|Updated Feb 1, 2026
One-click install
npx skills add https://github.com/mkalkere/agent-coordinator --skill testing-mkalkere
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: testing
Source: https://github.com/mkalkere/agent-coordinator/tree/main/.os/skills/development/testing
Command: npx skills add https://github.com/mkalkere/agent-coordinator --skill testing-mkalkere

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing and maintaining tests for software can be time-consuming and error-prone. This skill provides a structured approach to designing, running, and interpreting tests to improve software quality.

Core Features & Use Cases

  • Test design guidance for unit, integration, and end-to-end testing, including strategies for flaky tests and retry logic.
  • Coverage assessment and quality criteria with clear guidelines on meaningful assertions and error handling.
  • Diagnostic workflow to interpret failures, diagnose root causes, and plan corrective actions.
  • Use Case: plan and execute regression suites across code changes to ensure stable releases.

Quick Start

Define tests for your codebase, run the test suite, and interpret results to improve quality.

Frequently Asked Questions about testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I design unit and integration tests using Arrange-Act-Assert?

To design unit and integration tests, structure them using the Arrange-Act-Assert methodology: set up preconditions, execute the target action, and verify outcomes with meaningful assertions to ensure clear boundaries and improve software quality.

What is the best way to diagnose flaky test failures and find root causes?

Diagnosing flaky test failures involves applying a structured diagnostic workflow to interpret results, analyze retry logic, and identify root causes. This process helps plan corrective actions to stabilize integration and end-to-end testing environments.

How do I assess test coverage and set quality targets for my codebase?

Assessing test coverage involves running your test suite and evaluating results against clear quality criteria. You establish coverage targets by ensuring meaningful assertions and proper error handling exist across your unit and integration tests.

Can I use this approach for regression suites across code changes?

Yes, you can use this structured testing approach to plan and execute regression suites across code changes. It supports unit, integration, and end-to-end testing to ensure stable releases while verifying edge cases and error handling.

When should I use end-to-end testing instead of unit tests?

Use end-to-end testing instead of unit tests when validating complete user workflows across integrated components. Unit tests focus on isolated logic, while end-to-end testing verifies the entire system's behavior and error handling.