--- title: "How to Manage Flaky Tests in Jest" url: https://daily.dev/posts/how-to-manage-flaky-tests-in-jest-b8r4vvz4d source_url: https://semaphoreci.com/blog/flaky-tests-jest type: article source: "Semaphore" published: 2024-04-02T13:29:31.779Z updated: 2024-05-09T08:43:33.910Z tags: ["javascript", "testing", "jest"] reading_time: 9 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How to Manage Flaky Tests in Jest **[Semaphore](https://daily.dev/sources/semaphore)** · 9 min read · 0 upvotes · 0 comments ## Summary This post discusses strategies for identifying and managing flaky tests in Jest. It covers common causes of flakiness, such as mocking the wrong selector, hard coding wait timers, and wrong use of async in Jest tests. The post also provides best practices for writing reliable tests, including using deterministic inputs and outputs, handling asynchronous operations properly, avoiding timing-based logic, and managing external dependencies and state. By following these practices, developers can enhance the stability and reliability of their Jest tests. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript), [#testing](https://daily.dev/tags/testing), [#jest](https://daily.dev/tags/jest) [View this post on daily.dev](https://daily.dev/posts/how-to-manage-flaky-tests-in-jest-b8r4vvz4d)