Update browser test

Author: DefCon-007

dev/browser.js

@@ -1,3 +1,4 @@
+import { check } from 'k6'
 import { browser } from 'k6/browser'
 
 export const options = {
@@ -11,15 +12,31 @@ export const options = {
       },
     },
   },
+  thresholds: {
+    checks: ['rate==1.0'],
+  },
 }
 
 export default async function () {
-  const page = browser.newPage()
+  const page = await browser.newPage()
 
   try {
-    await page.goto('https://test.k6.io/')
-    page.screenshot({ path: 'screenshots/screenshot.png' })
+    await page.goto('https://quickpizza.grafana.com/admin')
+
+    await page.locator('input[name="username"]').fill('admin')
+    await page.locator('input[name="password"]').fill('admin')
+
+    await page.waitForLoadState('networkidle') // waits until the `networkidle` event
+
+    await page.locator('button[type="submit"]').click()
+
+    const label = await page.locator('h2')
+    const textContent = (await label.textContent()).trim()
+
+    check(textContent, {
+      header: (t) => t === 'Latest pizza recommendations',
+    })
   } finally {
-    page.close()
+    await page.close()
   }
 }