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CodingFreeBeginner

A minimal failing test that isolates the defect

For developers turning a bug brief into a small, deterministic regression test.

Works with
  • Cursor
  • GitHub Copilot
The prompt48 words

Produce one runnable failing test from the pasted bug brief. Constraints: use

The full prompt is in the app

Free — no subscription needed. Fill in the blanks there, then copy it into Cursor.

Nothing to fill in

This prompt is ready as it is. Copy it and send it.

How to use it

  1. 1Open it in PromptVault. Find it in Coding, or search for “A minimal failing test that isolates the defect”.
  2. 2Nothing to fill in. The prompt already holds everything it needs.
  3. 3Copy and paste it into Cursor. It also works with GitHub Copilot.

About this prompt

A minimal failing test that isolates the defect” is a beginner coding prompt. For developers turning a bug brief into a small, deterministic regression test. It is 48 words long and written to get a usable answer on the first message, in Cursor and GitHub Copilot or any other chat assistant. Good for: testing, debugging, quick win and first draft. Like every prompt in PromptVault, it was written and edited in-house, and it works offline once the app is installed.