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How do you test file uploads reliably in Playwright across different OS environments?File uploads work fine locally (macOS) but fail intermittently in our Linux CI containers. We're using…
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Best approach for testing file downloads in Playwright?I need to test that a CSV export button downloads the correct file with the right data. Our app generates the file…
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How do you parallelise 1000+ tests to run in under 10 minutes in CI?Our test suite: 1200 Playwright tests, currently runs serially in ~55 minutes. Target: under 10 minutes for the PR…
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Flaky test quarantine in CI — auto-retry, dedicated quarantine job, or just fix them?Our flake rate is ~4% per test in CI (down from 9% after a big cleanup push). With 800 tests that means ~32 flaky…
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pytest-xdist vs pytest-parallel — which is more reliable for parallel test execution?We need to parallelise a 600-test pytest suite. Current serial runtime is ~22 minutes, target is under 8 minutes. I've…
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How do you handle API rate limiting in automated test suites?Our test suite hits a third-party API (Stripe sandbox) and we occasionally get 429s in CI, causing random test…
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What is your systematic approach when a test passes locally but fails in CI?This is the most frustrating debugging scenario I encounter regularly. Test passes 100% locally, fails 30–80% in CI. My…
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Playwright trace viewer completely changed how I debug failing CI testsBefore trace viewer, debugging a CI failure meant adding console.log, pushing, waiting 8 minutes for CI, repeat.…
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How do you integrate performance tests into CI without bloating build time?We want to add k6 performance tests to our CI pipeline but our PR pipeline is already 12 minutes and I don't want to…
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What test metrics do you actually report from CI to Slack or Teams?We want to add test result notifications to our Slack channel after each CI run. Before I build this out I want to know…
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How involved should SDETs be in security testing — and what skills does it require?My company is adding basic security testing requirements. Leadership wants SDETs to own it since we already own…
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How are you handling flaky tests in your CI/CD pipeline?Flaky tests are killing our team's confidence in the test suite. We're seeing around 8–12% flake rate on our Playwright…
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Best approach for secrets management for test credentials in CI?We have test credentials (API keys for sandbox environments, DB passwords, OAuth tokens) that need to be available in…
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Shared test environments vs per-test isolation — how do you decide?We have two camps on our team: Camp A (shared environment): Tests run against a shared staging server. Fast to set up,…
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Is there a practical upper limit on how long a single automated test should run?We have a handful of E2E tests that take 4–6 minutes each. They cover complex user journeys (onboarding flow,…
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How do you write meaningful performance assertions in your load tests?Most load test examples I see just report numbers (p95, p99, RPS) without failing the test definitively. I want our…
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GitHub Actions vs GitLab CI for running test suites — practical comparison?We're moving off Jenkins and evaluating GitHub Actions vs GitLab CI (we're already on GitLab for source control). For…
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Is Selenium Grid 4 still worth self-hosting or should we just use cloud providers?We're running Selenium Grid 3 on 6 VMs and it's a maintenance headache — node crashes, session leaks, version…
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Is contract testing with Pact worth the setup cost for a 2-team API boundary?We have two teams: one owns a user service (Python/FastAPI), one owns a frontend (Next.js). The user service API is the…
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k6 vs JMeter vs Gatling in 2026 — which would you choose for a new project?Starting a new performance testing initiative. Our stack: Node.js microservices, REST APIs, ~50k requests/day in…
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