Browse QA Skills

Enforce testing best practices with ESLint rules for Jest, Testing Library, and Cypress

Detect, quarantine, and systematically fix flaky tests with automated retry analysis, root cause categorization, and CI pipeline integration for test reliability

Test quality verification with Stryker mutation testing for JavaScript and TypeScript

Identify untested code paths, uncovered branches, and missing test scenarios using coverage analysis, risk mapping, and change-based coverage tracking

Optimize CI/CD test pipeline execution through intelligent test splitting, parallelization, caching strategies, and selective test execution to reduce pipeline duration

Automated detection and reporting of broken links, missing resources, and orphaned pages across web applications using crawl-based and DOM-based strategies

Systematically detect, capture, and categorize browser console errors, warnings, and unhandled exceptions during automated test execution

Analyze pull request code changes to determine which tests are affected, recommend test execution order, and identify missing test coverage for modified code paths

Generate and evaluate mutation tests to assess test suite effectiveness by introducing controlled code mutations and verifying test detection rates

Review pull requests for test coverage like a senior SDET, map the diff to required test classes, spot untested branches and missing regression tests, judge test quality not just presence, and write actionable review comments.

Audit error messages across web applications for clarity, helpfulness, consistency, localization readiness, and security information leakage

Quantify and track test technical debt including missing tests, outdated assertions, disabled tests, inadequate coverage, and maintenance burden across the test suite

Teach agents to define and enforce CI quality gates for diff coverage, flaky tests, performance budgets, security thresholds, and regression health.

Map changelog entries and release notes to corresponding test cases ensuring every shipped feature and bugfix has associated test verification