digitalfabrik/lunes-app

Fix console errors in unit tests

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#1,418 opened on Apr 28, 2026

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 (1 comment) (0 reactions) (1 assignee)TypeScript (8 forks)auto 404
effort:lowgood first issuemaintenancenot-testableprio:lowready

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Description

Describe the Problem

When running our tests, we keep getting errors about having to wrap state updates in act(). Let's fix them.

Describe Your Preferred Solution

When running the tests, I don't want to see red console errors popping up.

Describe Possible Alternatives

We could leave it.

Related Issues

Additional Information

Contributor guide

Research direction
Identify the failing tests by running the test suite and look for console errors about wrapping state updates in act(). Then, wrap the state changing code in act() or use async utilities like waitFor or findBy queries.
Tech stack
typescriptreact
Domain
frontend
Issue type
Test
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
GitReact Testing Library
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75