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Smart selectors that prefer role-based locators over brittle CSS

checkout.spec.ts

Before

After

test('checkout flow', async ({ page }) => {

await page.goto('/pricing');

- await page.click('.trial-btn');

+ await page.getByRole('button', { name: 'Start free trial' }).click();

await page.fill('#email', 'user@test.com');

+ await expect(page.getByText('Order confirmed')).toBeVisible();

+ await expect(page.locator('[data-testid="order-id"]')).not.toBeEmpty();

});

Selector rationale: Uses role-based selectors with fallback to data-testid for reliability.

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