How Silently Ignored Config Keys Slip Through CI, and Where to Block Them
A key you added to a config file can be discarded without a single warning. Measured behavior across tsc, ESLint, wrangler, npm and vitest, plus a probe that verifies a setting is actually in effect and a wrapper that turns warnings into build failures.
When Every Antigravity-Written Test Is Green but the Same Bug Comes Back — Field Notes on Measuring Hollow Assertions
Your AI-written tests all pass, coverage is high, yet the same defect returns to production. The cause is over-mocking and tautological assertions. These are field notes on using mutation testing as ground truth to measure what your tests actually protect, and to fix it operationally.
Building an AI Test Pipeline with Antigravity Agents: Automating Quality Assurance in Production
Learn how to build a production-grade automated test pipeline using Antigravity's AI agents — from unit test generation to E2E testing with Playwright, complete with validation layers and CI/CD integration.
Unit Testing AgentKit 2.0 Agents with Vitest — A Practical Guide
Learn how to unit test and integration test MCP skill servers built with AgentKit 2.0 using Vitest. Covers mock strategies, InMemoryTransport integration tests, and CI/CD setup with real working code examples.