We Don't Merge Red: Shifting E2E Tests Left in Mobile Development

This story was originally published on HackerNoon at: https://hackernoon.com/we-dont-merge-red-shifting-e2e-tests-left-in-mobile-development . A practical look at moving mobile E2E tests into pull requests, using Detox, CI gates, impact analysis, and QA review to catch bugs earlier. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #qa , #shift-left , #shift-left-testing , #e2e , #e2e-testing , #qa-automation , #detox-testing , #regression-testing , and more. This story was written by: @eilinwis . Learn more about this writer by checking @eilinwis's about page, and for more stories, please visit hackernoon.com . We made red e2e tests block merges. Tests now get fixed in the PR that broke them, not two weeks later during the release scramble. Getting there took impact analysis, parallelization, a stable main branch, and four months of convincing people. A PR run went from 60 minutes to 12, critical production bugs dropped by roughly half, and releases stopped being an event.