added real Playwright test code

package.json

@@ -60,6 +60,7 @@
     "eslint-plugin-unicorn": "49.0.0"
   },
   "devDependencies": {
+    "@playwright/test": "1.40.1",
     "@types/node": "20.10.6",
     "eslint": "8.56.0",
     "jest": "29.7.0",

test/eslintNodeConfig/exampleNodeConfigEntrypoint.mjs

@@ -1,3 +1,5 @@
+// Code adapted from here: https://nodejs.org/en/learn/getting-started/introduction-to-nodejs#an-example-nodejs-application
+
 // External Imports
 import http from 'node:http';
 

test/eslintPlaywrightConfig/examplePlaywrightConfigEntrypoint.mjs

@@ -1 +1,24 @@
-console.log('playwright');
+// Code adapted from here: https://playwright.dev/docs/writing-tests#first-test
+
+// External Imports
+import { expect, test } from '@playwright/test';
+
+// Test Definitions
+test.describe('Playwright homepage', () => {
+  test('has title', async ({ page }) => {
+    await page.goto('https://playwright.dev/');
+
+    // Expect a title "to contain" a substring.
+    await expect(page).toHaveTitle(/Playwright/);
+  });
+
+  test('get started link', async ({ page }) => {
+    await page.goto('https://playwright.dev/');
+
+    // Click the get started link.
+    await page.getByRole('link', { name: 'Get started' }).click();
+
+    // Expects page to have a heading with the name of Installation.
+    await expect(page.getByRole('heading', { name: 'Installation' })).toBeVisible();
+  });
+});