diff --git a/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts b/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts
index bacff5bcdca2..024f36d808f0 100644
--- a/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts
+++ b/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts
@@ -32,7 +32,7 @@ import {
 // This test will fail (by default) in headful mode, as the target page never gets painted.
 // To resolve this when debugging, just make sure the target page is visible during the lighthouse run.
 
-describe('Navigation', async function() {
+describe('Navigation', function() {
   // The tests in this suite are particularly slow
   if (this.timeout() !== 0) {
     this.timeout(60_000);
@@ -108,6 +108,12 @@ describe('Navigation', async function() {
     assert.include(lhr.configSettings.emulatedUserAgent, 'Mobile');
     assert.include(lhr.environment.networkUserAgent, 'Mobile');
 
+    const trace = artifacts.Trace;
+    assert.notOk(
+        trace.traceEvents.some((e: Record<string, unknown>) => e.cat === 'disabled-by-default-v8.cpu_profiler'),
+        'Trace contained v8 profiler events',
+    );
+
     assert.deepStrictEqual(artifacts.ViewportDimensions, {
       innerHeight: 823,
       innerWidth: 412,
@@ -160,8 +166,7 @@ describe('Navigation', async function() {
     const waitForJson = await interceptNextFileSave();
 
     // For some reason the CDP click command doesn't work here even if the tools menu is open.
-    await reportEl.$eval(
-        'a[data-action="save-json"]:not(.hidden)', saveJsonEl => (saveJsonEl as HTMLElement).click());
+    await reportEl.$eval('a[data-action="save-json"]:not(.hidden)', saveJsonEl => (saveJsonEl as HTMLElement).click());
 
     const jsonContent = await waitForJson();
     assert.strictEqual(jsonContent, JSON.stringify(lhr, null, 2));
@@ -169,8 +174,7 @@ describe('Navigation', async function() {
     const waitForHtml = await interceptNextFileSave();
 
     // For some reason the CDP click command doesn't work here even if the tools menu is open.
-    await reportEl.$eval(
-        'a[data-action="save-html"]:not(.hidden)', saveHtmlEl => (saveHtmlEl as HTMLElement).click());
+    await reportEl.$eval('a[data-action="save-html"]:not(.hidden)', saveHtmlEl => (saveHtmlEl as HTMLElement).click());
 
     const htmlContent = await waitForHtml();
     const iframeHandle = await renderHtmlInIframe(htmlContent);
@@ -222,6 +226,7 @@ describe('Navigation', async function() {
     await navigateToLighthouseTab('lighthouse/hello.html');
     await registerServiceWorker();
 
+    await setToolbarCheckboxWithText(true, 'Enable JS sampling');  // TODO: Use translated string once it's added
     await setToolbarCheckboxWithText(false, 'Borrar almacenamiento');
     await selectCategories(['performance', 'best-practices']);
     await selectDevice('desktop');
@@ -230,6 +235,12 @@ describe('Navigation', async function() {
 
     const {reportEl, lhr, artifacts} = await waitForResult();
 
+    const trace = artifacts.Trace;
+    assert.ok(
+        trace.traceEvents.some((e: Record<string, unknown>) => e.cat === 'disabled-by-default-v8.cpu_profiler'),
+        'Trace did not contain any v8 profiler events',
+    );
+
     const {innerWidth, innerHeight, devicePixelRatio} = artifacts.ViewportDimensions;
     // TODO: Figure out why outerHeight can be different depending on OS
     assert.strictEqual(innerHeight, 720);
diff --git a/third-party/devtools-tests/e2e/lighthouse/snapshot_test.ts b/third-party/devtools-tests/e2e/lighthouse/snapshot_test.ts
index c76bd8013535..1afdce2b9c96 100644
--- a/third-party/devtools-tests/e2e/lighthouse/snapshot_test.ts
+++ b/third-party/devtools-tests/e2e/lighthouse/snapshot_test.ts
@@ -20,7 +20,7 @@ import {
 // This test will fail (by default) in headful mode, as the target page never gets painted.
 // To resolve this when debugging, just make sure the target page is visible during the lighthouse run.
 
-describe('Snapshot', async function() {
+describe('Snapshot', function() {
   // The tests in this suite are particularly slow
   if (this.timeout() !== 0) {
     this.timeout(60_000);
diff --git a/third-party/devtools-tests/e2e/lighthouse/start-view_test.ts b/third-party/devtools-tests/e2e/lighthouse/start-view_test.ts
index 38cc9fadceeb..427b1f6d5562 100644
--- a/third-party/devtools-tests/e2e/lighthouse/start-view_test.ts
+++ b/third-party/devtools-tests/e2e/lighthouse/start-view_test.ts
@@ -15,7 +15,7 @@ import {
   waitForStorageUsage,
 } from '../helpers/lighthouse-helpers.js';
 
-describe('The Lighthouse start view', async () => {
+describe('The Lighthouse start view', () => {
   it('shows a button to generate a new report', async () => {
     await navigateToLighthouseTab('empty.html');
 
diff --git a/third-party/devtools-tests/e2e/lighthouse/timespan_test.ts b/third-party/devtools-tests/e2e/lighthouse/timespan_test.ts
index 966f589ebf5e..1f95e7bb5d3b 100644
--- a/third-party/devtools-tests/e2e/lighthouse/timespan_test.ts
+++ b/third-party/devtools-tests/e2e/lighthouse/timespan_test.ts
@@ -24,7 +24,7 @@ import {
 // This test will fail (by default) in headful mode, as the target page never gets painted.
 // To resolve this when debugging, just make sure the target page is visible during the lighthouse run.
 
-describe('Timespan', async function() {
+describe('Timespan', function() {
   // The tests in this suite are particularly slow
   if (this.timeout() !== 0) {
     this.timeout(60_000);