Testing Best Practices Unit testing, integration testing, and TDD principles for reliable, maintainable test suites. Contains 34 rules across 7 categories using TypeScript with Jest/Vitest. Metadata - Version: 2.0.0 - Rule Count: 34 rules across 7 categories - License: MIT When to Apply Reference these guidelines when: - Writing unit or integration tests - Reviewing test code quality - Improving test coverage strategy - Setting up testing infrastructure - Debugging flaky or slow tests Rule Categories by Priority | Priority | Category | Impact | Prefix | |----------|----------|--------|-------…