Context

Project files: !find . -maxdepth 1 $ -name 'pyproject.toml' -o -name 'package.json' -o -name 'Cargo.toml' -o -name 'go.mod' $
Playwright config: !find . -maxdepth 1 -name 'playwright.config.*'
Vitest config: !find . -maxdepth 1 $ -name 'vitest.config.*' -o -name 'vite.config.*' $
Jest config: !find . -maxdepth 1 -name 'jest.config.*'
Pytest config: !find . -maxdepth 1 $ -name pyproject.toml -o -name setup.cfg $ -exec grep -l 'pytest' {} +
Package.json exists: !find . -maxdepth 1 -name 'package.json' -type f

Parameters

$1 (required): Test file path or pattern (e.g., login.spec.ts, tests/e2e/auth.spec.ts)
--serial: Force sequential execution with single worker (useful for WebGL, database tests)
--debug: Run in debug/headed mode for visual debugging

Run a single test file in fail-fast mode for rapid development iteration. Stop immediately on first failure to minimize feedback time.