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New E2E agentic test framework from Poland

TesterArmy, a Y Combinator-backed startup based in Poland, has released an end-to-end agentic testing framework called e2e, accompanied by example repositories covering iframes, Stripe, PayPal, Paddle and RevenueCat payments, Shopify checkout flows verified through the Admin API, and Expo deep links, onboarding and location on iOS and Android. The framework is aimed at teams that want to test payment, deep-link and permission flows end to end rather than in isolation.

read1 min views3 publishedNov 5, 2026
New E2E agentic test framework from Poland
Image: Michielbdejong (auto-discovered)

At TesterArmy, we're on a mission to make end-to-end testing effortless.

Backed by Y Combinator. Built for teams who care about quality.

Example repository to demonstrate how you can use e2e to test iframes (e.g. for payments)

TypeScript

            [3](https://github.com/tester-army/e2e-iframes/stargazers)

Expo deep links tested end to end with e2e on iOS and Android: an order link from a cold start and while the app runs, an unknown order, and a link to no screen

Example repository to demonstrate how you can use e2e to test Stripe payments end to end (hosted checkout in a sandbox)

Next.js storefront on a free Shopify dev store, with e2e tests that pay, get declined, and apply a discount on Shopify's checkout, verified through the Admin API

Example repository to demonstrate how you can use e2e to test RevenueCat in-app purchases end to end

Example repository to demonstrate how you can use e2e to test PayPal payments end to end (redirect checkout in the sandbox)

Example repository to demonstrate how you can use e2e to test Paddle payments end to end (overlay checkout in a sandbox)

Expo onboarding tested end to end with e2e on iOS and Android: email codes via Mailpit and the OS notification prompt

Expo location tested end to end with e2e on iOS and Android: the permission prompt, a moving device, going offline, and turning location back on in Settings

…

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