__fixture__

Guides use of Playwright built-in and custom fixtures for page, context, browser, and request to manage test state and infrastructure with efficient setup and teardown.

Guides pytest fixtures, conftest files, parametrize decorators, and fixture scopes for Python test setup and configuration.

Guides Python testing with pytest: TDD cycle, fixture patterns, mocking, parametrization, and 80%+ coverage targets. Activates when writing Python tests or setting up coverage infrastructure.