7 hours ago
As software development becomes increasingly complex, end-to-end testing has moved from being a “nice-to-have” to a critical requirement for ensuring quality. Over the last few years, more teams have shifted from simple functional tests to validating entire user journeys from start to finish. This approach is becoming essential not only because systems are expanding, but because user expectations are higher than ever.
One of the biggest reasons for this evolution is the rise of microservices. Modern applications are no longer monolithic; they’re composed of many independently deployed services that must communicate seamlessly. A small change in one service can inadvertently break another, even if both pass their individual tests. This is where end to end testing comes in — it helps detect problems that only appear when all services interact together.
Another factor driving the importance of E2E testing is the increasing speed of deployments. With continuous integration and continuous delivery (CI/CD), new code is being pushed to production rapidly. Without end-to-end validation, teams risk releasing features that work in parts but fail in the full workflow. E2E tests act as a final safeguard ensuring users don't encounter broken screens, inconsistent data, or incomplete flows.
There’s also the aspect of user journey consistency. E2E testing ensures that login flows, payments, dashboards, and other critical paths behave correctly with every release. These are often the most important touchpoints for users and the most damaging to business reputation if they break.
I’m curious to know how others here handle E2E testing. Do you run automated E2E suites in your CI pipeline? What tools or frameworks have worked best for your team? Have you faced challenges related to test flakiness or long execution times?
One of the biggest reasons for this evolution is the rise of microservices. Modern applications are no longer monolithic; they’re composed of many independently deployed services that must communicate seamlessly. A small change in one service can inadvertently break another, even if both pass their individual tests. This is where end to end testing comes in — it helps detect problems that only appear when all services interact together.
Another factor driving the importance of E2E testing is the increasing speed of deployments. With continuous integration and continuous delivery (CI/CD), new code is being pushed to production rapidly. Without end-to-end validation, teams risk releasing features that work in parts but fail in the full workflow. E2E tests act as a final safeguard ensuring users don't encounter broken screens, inconsistent data, or incomplete flows.
There’s also the aspect of user journey consistency. E2E testing ensures that login flows, payments, dashboards, and other critical paths behave correctly with every release. These are often the most important touchpoints for users and the most damaging to business reputation if they break.
I’m curious to know how others here handle E2E testing. Do you run automated E2E suites in your CI pipeline? What tools or frameworks have worked best for your team? Have you faced challenges related to test flakiness or long execution times?

