Configures test result output directory

Configures the test result output directory to 'artifacts/test-results'.
This change centralizes test artifacts for easier access and management.

playwright-tests/playwright.config.ts

@@ -56,6 +56,7 @@ export default defineConfig({
   ],
   timeout: 180_000,
   /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
+  outputDir: 'artifacts/test-results',
   use: {
     /* Base URL to use in actions like `await page.goto('/')`. */
     // baseURL: 'http://127.0.0.1:3000',
@@ -65,7 +66,7 @@ export default defineConfig({
     headless: process.env.CI ? true : false,
     screenshot: "only-on-failure",
     actionTimeout: 60_000,
-    navigationTimeout: 60_000
+    navigationTimeout: 60_000,
   },
 
   /* Configure projects for major browsers */