diff --git a/tests/library/capabilities.spec.ts b/tests/library/capabilities.spec.ts
index 58bb215a6a..bc7415fa48 100644
--- a/tests/library/capabilities.spec.ts
+++ b/tests/library/capabilities.spec.ts
@@ -32,9 +32,7 @@ it('SharedArrayBuffer should work @smoke', async function({ contextFactory, http
   expect(await page.evaluate(() => typeof SharedArrayBuffer)).toBe('function');
 });
 
-it('Web Assembly should work @smoke', async function({ page, server, browserName, platform }) {
-  it.fail(browserName === 'webkit' && platform === 'win32');
-
+it('Web Assembly should work @smoke', async function({ page, server }) {
   await page.goto(server.PREFIX + '/wasm/table2.html');
   expect(await page.evaluate('loadTable()')).toBe('42, 83');
 });
diff --git a/tests/library/channels.spec.ts b/tests/library/channels.spec.ts
index dc3ec1b5f5..44ad5e0943 100644
--- a/tests/library/channels.spec.ts
+++ b/tests/library/channels.spec.ts
@@ -35,6 +35,7 @@ const it = playwrightTest.extend<{}, { expectScopeState: (object: any, golden: a
 });
 
 it.skip(({ mode }) => mode !== 'default');
+it.skip(({ video }) => video === 'on', 'Extra video artifacts in the objects list');
 
 it('should scope context handles', async ({ browserType, server, expectScopeState }) => {
   const browser = await browserType.launch();
@@ -184,7 +185,7 @@ it('should scope browser handles', async ({ browserType, expectScopeState }) =>
   expectScopeState(browserType, GOLDEN_PRECONDITION);
 });
 
-it('should not generate dispatchers for subresources w/o listeners', async ({ page, server, browserType, expectScopeState, video }) => {
+it('should not generate dispatchers for subresources w/o listeners', async ({ page, server, browserType, expectScopeState }) => {
   server.setRedirect('/one-style.css', '/two-style.css');
   server.setRedirect('/two-style.css', '/three-style.css');
   server.setRedirect('/three-style.css', '/four-style.css');
@@ -201,7 +202,6 @@ it('should not generate dispatchers for subresources w/o listeners', async ({ pa
       { _guid: 'browser-type', objects: [
         {
           _guid: 'browser', objects: [
-            ...(video === 'on' ? [{ _guid: 'artifact', objects: [] }] : []),
             { _guid: 'browser-context', objects: [
               {
                 _guid: 'page', objects: [
@@ -256,7 +256,7 @@ it('should work with the domain module', async ({ browserType, server, browserNa
     throw err;
 });
 
-it('exposeFunction should not leak', async ({ page, expectScopeState, server, video }) => {
+it('exposeFunction should not leak', async ({ page, expectScopeState, server }) => {
   await page.goto(server.EMPTY_PAGE);
   let called = 0;
   await page.exposeFunction('myFunction', () => ++called);
@@ -284,7 +284,6 @@ it('exposeFunction should not leak', async ({ page, expectScopeState, server, vi
           {
             '_guid': 'browser',
             'objects': [
-              ...(video === 'on' ? [{ _guid: 'artifact', objects: [] }] : []),
               {
                 '_guid': 'browser-context',
                 'objects': [
diff --git a/tests/stress/frames.spec.ts b/tests/stress/frames.spec.ts
index 11005369c3..48489e7262 100644
--- a/tests/stress/frames.spec.ts
+++ b/tests/stress/frames.spec.ts
@@ -16,6 +16,8 @@
 
 import { contextTest as test } from '../config/browserTest';
 
+test.slow();
+
 test('cycle frames', async ({ page, server }) => {
   const kFrameCount = 1200;