nodejs/node

test_runner: print failed coverage reports with dot runner

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#60,884 opened on Nov 28, 2025

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feature requestgood first issuetest_runner

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Description

What is the problem this feature will solve?

When running tests with both the dot reporter and coverage reports, if the coverage report fails there is no output (other than the dots) but the program exits with a failure status code.

What is the feature you are proposing to solve the problem?

Similar to this PR, it would be nice to display some sort of failure reason so its clear why the command failed.

What alternatives have you considered?

No response

Contributor guide

Research direction
Look at the referenced PR (https://github.com/nodejs/node/pull/52655) for dot reporter failure messages, then implement similar output for coverage failures in test runner.
Tech stack
javascriptnodejs
Domain
testing
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70