---
title: "Discussion on \"How do you know a passing check still works? Make it fail on purpose.\" | Hashnode"
description: "Discussion on \"How do you know a passing check still works? Make it fail on purpose.\". A feature makes money. A check protects it. Those are not the same job, and the difference is why checks rot.\nWhen you ship a feature, the market tells you fast whether it works. Someone signs up or t"
url: "https://hashnode.com/posts/how-do-you-know-a-passing-check-still-works-make-it-fail-on-purpose/6a6bf1eefdeab7409347ac01"
---

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# [How do you know a passing check still works? Make it fail on purpose.](https://lionshead-notes.hashnode.dev/how-do-you-know-a-passing-check-still-works-make-it-fail-on-purpose?utm_source=hashnode&utm_medium=feed)

A feature makes money. A check protects it. Those are not the same job, and the difference is why checks rot. When you ship a feature, the market tells you fast whether it works. Someone signs up or t

Jul 31 · 6 min read · lionshead-notes.hashnode.dev  
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## Written by

[Allen Brooks](https://hashnode.com/@earnestamateur)

@earnestamateur · Greenville, SC, US

  
[View profile](https://hashnode.com/@earnestamateur)

15 years building software, most of it learned by watching it get built badly. Now building platforms solo (heavy Claude Code) at Lionshead.

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