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Right Answer, Wrong Path: Two Ways to Catch AI Agent Regressions

Right Answer, Wrong Path: Two Ways to Catch AI Agent Regressions

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8 min read
React Email Tests Need a Fixture Factory

React Email Tests Need a Fixture Factory

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4 min read
Run the Draft Twice: Use Generation Variance to Decide What a Human Must Own

Run the Draft Twice: Use Generation Variance to Decide What a Human Must Own

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7 min read
Your Clean Architecture Diagram Is Decoration Until CI Breaks It

Your Clean Architecture Diagram Is Decoration Until CI Breaks It

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3 min read
The Bug Is in the Files: Characterize Filesystem Side Effects Before a Messy Refactor

The Bug Is in the Files: Characterize Filesystem Side Effects Before a Messy Refactor

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5 min read
Right Deadline, Wrong Party: Our AI Checks Accepted 28 of 28 Wrong Answers

Right Deadline, Wrong Party: Our AI Checks Accepted 28 of 28 Wrong Answers

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4 min read
Firefox Browser Automation: Playwright, Selenium, and Headless Mode

Firefox Browser Automation: Playwright, Selenium, and Headless Mode

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3 min read
Testing Idempotency, Webhooks, and Race Conditions in Payment APIs

Testing Idempotency, Webhooks, and Race Conditions in Payment APIs

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3 min read
Your agent loop will fail silently. Here are three checks that catch it.

Your agent loop will fail silently. Here are three checks that catch it.

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7 min read
Watch an AI agent test a mobile app

Watch an AI agent test a mobile app

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3 min read
Cross-Browser Testing: Firefox Quirks, Playwright, and a Pre-Ship Checklist

Cross-Browser Testing: Firefox Quirks, Playwright, and a Pre-Ship Checklist

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3 min read
Writing acceptance criteria a machine can test

Writing acceptance criteria a machine can test

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2 min read
XPath in Firefox: Console Shortcuts, JavaScript API, DevTools Inspector, and Selenium Integration

XPath in Firefox: Console Shortcuts, JavaScript API, DevTools Inspector, and Selenium Integration

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4 min read
Testing time without waiting for it

Testing time without waiting for it

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2 min read
XPath in Firefox: $x() in DevTools, Selenium/Playwright, JavaScript document.evaluate, and Extension Usage

XPath in Firefox: $x() in DevTools, Selenium/Playwright, JavaScript document.evaluate, and Extension Usage

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3 min read
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