astro/packages/integrations/prefetch/playwright.config.js

// NOTE: Prefetch tests fail with `TypeError: process.stdout.clearLine is not a function`
// for some reason. This comes from Vite, and is conditionally called based on `isTTY`.
// We set it to false here to skip this odd behavior.
process.stdout.isTTY = false;

const config = {
	testMatch: 'test/*.test.js',
	/* Maximum time one test can run for. */
	timeout: 30 * 1000,
	expect: {
		/**
		 * Maximum time expect() should wait for the condition to be met.
		 * For example in `await expect(locator).toHaveText();`
		 */
		timeout: 5000,
	},
	/* Fail the build on CI if you accidentally left test in the source code. */
	forbidOnly: !!process.env.CI,
	/* Retry on CI only */
	retries: process.env.CI ? 5 : 0,
	/* Opt out of parallel tests on CI. */
	workers: 1,
	/* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
	use: {
		/* Maximum time each action such as `click()` can take. Defaults to 0 (no limit). */
		actionTimeout: 0,
		/* Base URL to use in actions like `await page.goto('/')`. */
		baseURL: process.env.PLAYWRIGHT_TEST_BASE_URL || 'http://localhost:4321',

		/* Collect trace when retrying the failed test. See https://playwright.dev/docs/trace-viewer */
		trace: 'on-first-retry',
	},
	projects: [
		{
			name: 'Chrome Stable',
			use: {
				browserName: 'chromium',
				channel: 'chrome',
			},
		},
	],
};

export default config;