Automation is supposed to deliver fast, trustworthy feedback, not simply more tests in the pipeline. I pay attention to isolation, determinism, runtime and the quality of diagnostics, because a flaky test the team starts ignoring quickly stops being worth anything at all.
Playwright, Cypress, Jest, Vitest, Supertest, Testcontainers, Postman, Newman, GitHub Actions, GitLab CI, CI/CD, Parallel Testing, Test Reporting, Test Data