--- title: "How a Learning Project Became Our Modern Mobile Test Fram..." url: https://daily.dev/posts/how-a-learning-project-became-our-modern-mobile-test-fram--iawbccslu source_url: https://tech.trivago.com/post/2026-02-18-how-a-learning-project-became-our-modern-mobile-test-framework/ type: article source: "Tech at trivago" published: 2026-02-18T15:28:52.577Z updated: 2026-02-18T15:29:13.456Z tags: ["testing", "java", "accessibility"] reading_time: 5 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 a Learning Project Became Our Modern Mobile Test Fram... **[Tech at trivago](https://daily.dev/sources/trivago)** · 5 min read · 0 upvotes · 0 comments ## Summary Trivago's mobile test framework evolved over nearly a decade, starting as an Appium 1 learning project to replace a broken homegrown setup. When Appium 2 deprecated the MobileElement pattern, the team chose a full rewrite rather than patching, redesigning around Appium 2's driver model with a plugin-based architecture, parallel thread execution (replacing multi-fork JVM processes), and clean platform separation for iOS and Android. Key improvements included lower resource overhead, safer extensibility, and a cultural shift where app developers now treat testability and accessibility IDs as first-class concerns during feature development. E2E tests now double as accessibility regression checks. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Achieve Reliable Native E2E Tests Beyond Fixing Flakes](https://daily.dev/posts/achieve-reliable-native-e2e-tests-beyond-fixing-flakes-r7dwgxwzv) · Docker · 2 upvotes · 0 comments --- Tags: [#testing](https://daily.dev/tags/testing), [#java](https://daily.dev/tags/java), [#accessibility](https://daily.dev/tags/accessibility) [View this post on daily.dev](https://daily.dev/posts/how-a-learning-project-became-our-modern-mobile-test-fram--iawbccslu)