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The gate that gated itself

The gate that gated itself

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14 min read
the same test passed in CI and failed on my laptop, and the code was identical

the same test passed in CI and failed on my laptop, and the code was identical

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4 min read
When AI can't read, it invents — but it still sees the shape

When AI can't read, it invents — but it still sees the shape

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7 min read
Reproduce an OAuth Refresh-Token Rotation Race With Two Requests

Reproduce an OAuth Refresh-Token Rotation Race With Two Requests

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2 min read
RAG-Based Testing Series — Part 4: Edge Cases — What Breaks RAG & How to Catch It

RAG-Based Testing Series — Part 4: Edge Cases — What Breaks RAG & How to Catch It

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14 min read
RAG-Based Testing Series — Part 3: Faithfulness & Hallucination Detection

RAG-Based Testing Series — Part 3: Faithfulness & Hallucination Detection

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9 min read
Automatyzacja EAA w CI/CD: Jak wdrożyć testy dostępności w małym budżecie przed czerwcem 2025?

Automatyzacja EAA w CI/CD: Jak wdrożyć testy dostępności w małym budżecie przed czerwcem 2025?

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6 min read
n/a is not a verdict

n/a is not a verdict

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12 min read
Why Browser Test Reliability Is Now a Product Decision, Not Just a Framework Decision

Why Browser Test Reliability Is Now a Product Decision, Not Just a Framework Decision

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8 min read
I picked a coding agent off a leaderboard. It flopped on our codebase.

I picked a coding agent off a leaderboard. It flopped on our codebase.

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5 min read
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

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8 min read
My AI-Generated Tests Kept Passing for the Wrong Reason

My AI-Generated Tests Kept Passing for the Wrong Reason

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2 min read
I Ran 150 Tasks to Test If AI Agents Follow Rules — The Answer Surprised Me

Mechanical gates beat rule phrasing

I Ran 150 Tasks to Test If AI Agents Follow Rules — The Answer Surprised Me

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3 min read
Foundry Invariant Testing: Finding Bugs Fuzzing Can't

Foundry Invariant Testing: Finding Bugs Fuzzing Can't

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7 min read
Playwright로 하는 QA 자동화: 일정 지연 방지하기

Playwright로 하는 QA 자동화: 일정 지연 방지하기

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1 min read
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