The Playwright Playbook — Part 3: Multi-User, Multi-Tab & Browser Context Testing
The Playwright Playbook — Part 3: Multi-User, Multi-Tab & Browser Context Testing "Most frameworks test one user at a time. Real apps don't work t…
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Your feature flag defaults are backwards in tests
Most test suites get feature flag isolation backwards. The instinct is to opt in to a feature when a test needs it. The correct default is to force th…
The Playwright Playbook — Part 2: Network Interception — The Complete Guide
The Playwright Playbook — Part 2: Network Interception — The Complete Guide "Your tests should own the network — not be at its mercy." In Part 1, we f…
Agentic QA Pipelines in 2026: Why Test Scripts Are Already Dead (And What Replaces Them)
Agentic QA Pipelines: Why Your Test Scripts Are Already Obsolete You wrote the test. You maintained the test. The app changed. You rewrote the test. I…
Your Spec Files Are Lying to You. Mine Were Too.
Preface I want to be upfront about something before we get into it. None of the frameworks in this article is mine. The ideas here come from two peopl…
How a Five Line Architecture Test Caught a Data Leak a Code Review Missed
TL;DR: Pest PHP can test the structure of your code, not just its behavior. Write your team rules as architecture tests and CI enforces them on every …
Web Testing in 2026 Is Less About Tools and More About Trust
Web testing has become a lot harder to describe in one sentence. It used to be easier to say, “We run some Selenium tests,” or “We use Cypress for fro…
What Actually Breaks Test Automation After the Demo
Most test automation demos are too clean. The demo app is stable. The login flow is simple. The selectors are obvious. The data is predictable. CI is …
2- AWS Serverless: Testing (typescript)
Shifting from traditional application testing to serverless TypeScript engineering is all about shifting your perspective: you stop testing a running …
One Nullable Timestamp, Four Account States: Deriving User Status in Laravel
Most of today went into a user-management overhaul in kickoff — my Laravel starter kit. Flyout CRUD panels, bulk actions, permission assignment, and t…
Guard Skills: The AI Code Quality Alternative That Catches Failure Modes Before They Ship
Guard Skills: The AI Code Quality Alternative That Catches Failure Modes Before They Ship If you're looking for a serious AI code quality alternative …
Frontend Testing in 2026: The Problems That Actually Break Your UI
Frontend testing has become weirdly broad. A few years ago, a lot of teams treated it as "write some Cypress tests" or "run Selenium in CI." That was …
Foundry Invariant Testing: Finding Bugs Fuzzing Can't
Your fuzz tests pass. Your unit tests pass. Coverage is green. Then the protocol goes live and someone drains the vault with a five-transaction sequen…
Six Months of AI Writing My Tests: What Got Better, What Got Worse
Back in January, I wrote about falling in love with Claude Code . That post was the honeymoon phase: the first debugging session that saved me two hou…
How to Compare Testing Tools Without Getting Fooled by Feature Checklists
The biggest mistake teams make when comparing testing tools is treating the feature list like the decision. A tool can support API tests, visual check…
A practical playbook for choosing browser automation and cross-browser testing tools
If your goal is faster releases with fewer flaky failures, the tool choice matters less than the testing strategy behind it. Teams usually start by as…
Capstone: A 100-Test Suite, End to End (Playwright + TypeScript, Ch.26)
This is where everything comes together. Over the course we built a layered Playwright TypeScript framework — fixtures, Page Objects, API + UI + integ…
Advanced: Network Mocking, Visual & Accessibility (Playwright + TypeScript, Ch.22)
Welcome to Part 6 . The framework is solid; now we add three powerful kinds of test that go beyond "click and assert text." Code for this chapter is t…
APIRequestContext Fundamentals (Playwright + TypeScript, Ch.11)
Welcome to Part 3 — API Testing . Until now the API was our setup helper. Now we test it as a first-class surface. API tests need no browser, so they …
Why a Test Automation Framework? (Playwright + TypeScript, Ch.1)
Welcome to the first chapter of a hands-on course where we build a production-grade Playwright + TypeScript automation framework — covering both API a…
AI Builder Notes - Week of June 8, 2026
AI-assisted notes from my liked-tweets feed, organized around agent loops, cloud agent infrastructure, skill security, memory, and runtime context. Tr…
Flaky Tests in Laravel: Why Your CI Randomly Fails
Your test suite passes locally. CI fails. You rerun the pipeline. Now everything is green. You change absolutely nothing. An hour later, another rando…
How I Learned Unit Testing in Spring Boot by Building One Simple Project
When I first started learning Spring Boot, I constantly heard senior developers talking about unit testing, JUnit, Mockito, and Test-Driven Developmen…
Building MIL-STD-Compliant ATE with LabVIEW: Architecture and Best Practices
If you're building or integrating Automated Test Equipment for aerospace or defence electronics, the technical requirements go well beyond "does the t…
I spent hours writing unit tests – so I made an LLM do it (and learned what not to do)
About a month ago I hit that point in a project where the business logic was solid, the API endpoints were clean, but the test file was a pathetic stu…
Should AI Help Write the Tests, or Change What You Test?
You just merged an AI-assisted feature branch, the code review looks clean, and the app works in your local smoke test. Now comes the real question: d…
Pact is great. It's also why most teams don't do contract testing
In 2014, Pact created an entire engineering discipline. Consumer-driven contract testing — the idea that the API consumer, not the provider, should de…
I Built a One-Person AI QA Agency Using a Skill File and Local LLM
There is a specific failure mode in AI-assisted QA work that most tooling discussions skip entirely, and it shows up earliest when you are working sol…
Your AI's tests pass. That doesn't mean the code works.
You ask a coding agent to fix a bug. It writes the code, writes the tests, CI goes green, you merge. The bug's still there. The agent's job was to tur…
From 'How to Test AI Code' to 'What Makes Us Human'
The Conversation That Started It All It began with a practical question: How do you test code generated by AI? Simple enough, right? We've been testin…