Test Orchestrator Overview Coordinate parallel test execution across multiple test suites, frameworks, and environments. Manages test splitting, worker allocation, result aggregation, and intelligent retry strategies. Prerequisites - Test runner with parallel execution support (Jest, Vitest, pytest-xdist, Playwright, or JUnit 5) - CI/CD platform configured (GitHub Actions, GitLab CI, CircleCI, or Jenkins) - Test suite with consistent pass rates (flaky tests identified and tagged) - Sufficient CI runner resources for parallel worker count - Test result reporting tool (JUnit XML, Allure, or equ…