diff --git a/package-lock.json b/package-lock.json
index e02b63d312..81e20911a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7699,9 +7699,9 @@
       }
     },
     "folio": {
-      "version": "0.3.16",
-      "resolved": "https://registry.npmjs.org/folio/-/folio-0.3.16.tgz",
-      "integrity": "sha512-V/eKkMh88VTd6gL8SCN+++Y6UbjFvGvp3EfipbYzKIY1BS07L0uVh3CXZJGaaTT0/7gZqrnwYbfHpK7XPzrbvA==",
+      "version": "0.3.17",
+      "resolved": "https://registry.npmjs.org/folio/-/folio-0.3.17.tgz",
+      "integrity": "sha512-aYbhifQ/A0E6ZwEUdBGU900+aW2R243pxkWF0GhYceQxFTbkoCLIEHegTOpo4VtNsNHyM3sI/Xz3DkmITiwRcg==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.10.4",
diff --git a/package.json b/package.json
index c03799a40f..7fc6f939cd 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "eslint-plugin-notice": "^0.9.10",
     "eslint-plugin-react-hooks": "^4.2.0",
     "file-loader": "^6.1.0",
-    "folio": "=0.3.16",
+    "folio": "=0.3.17",
     "formidable": "^1.2.2",
     "html-webpack-plugin": "^4.4.1",
     "ncp": "^2.0.0",
diff --git a/test/browsercontext-proxy.spec.ts b/test/browsercontext-proxy.spec.ts
index 7937bc7dc8..8fe95a3c52 100644
--- a/test/browsercontext-proxy.spec.ts
+++ b/test/browsercontext-proxy.spec.ts
@@ -125,9 +125,7 @@ it('should authenticate', async ({contextFactory, contextOptions, server}) => {
   await browser.close();
 });
 
-it('should authenticate with empty password', (test, { browserName }) => {
-  test.flaky(browserName === 'firefox', 'Fails when runs afer previous test, see https://github.com/microsoft/playwright/issues/4789');
-}, async ({contextFactory, contextOptions, server}) => {
+it('should authenticate with empty password', async ({contextFactory, contextOptions, server}) => {
   server.setRoute('/target.html', async (req, res) => {
     const auth = req.headers['proxy-authorization'];
     if (!auth) {
@@ -228,9 +226,7 @@ it('should exclude patterns', (test, { browserName, headful }) => {
   await browser.close();
 });
 
-it('should use socks proxy', (test, { browserName, platform }) => {
-  test.flaky(platform === 'darwin' && browserName === 'webkit', 'Intermittent page.goto: The network connection was lost error on bots');
-}, async ({ contextFactory, contextOptions, socksPort }) => {
+it('should use socks proxy', async ({ contextFactory, contextOptions, socksPort }) => {
   const browser = await contextFactory({
     ...contextOptions,
     proxy: { server: `socks5://localhost:${socksPort}` }
@@ -241,9 +237,7 @@ it('should use socks proxy', (test, { browserName, platform }) => {
   await browser.close();
 });
 
-it('should use socks proxy in second page', (test, { browserName, platform }) => {
-  test.flaky(platform === 'darwin' && browserName === 'webkit', 'Intermittent page.goto: The network connection was lost error on bots');
-}, async ({ contextFactory, contextOptions, socksPort }) => {
+it('should use socks proxy in second page', async ({ contextFactory, contextOptions, socksPort }) => {
   const browser = await contextFactory({
     ...contextOptions,
     proxy: { server: `socks5://localhost:${socksPort}` }
diff --git a/test/browsertype-connect.spec.ts b/test/browsertype-connect.spec.ts
index ec35683123..5ad47a7574 100644
--- a/test/browsertype-connect.spec.ts
+++ b/test/browsertype-connect.spec.ts
@@ -242,9 +242,7 @@ describe('connect', (suite, { mode }) => {
     await page.close();
   });
 
-  it('should save videos from remote browser', (test, {browserName, platform}) => {
-    test.flaky(browserName === 'firefox' && platform === 'win32');
-  }, async ({browserType, remoteServer, testInfo}) => {
+  it('should save videos from remote browser', async ({browserType, remoteServer, testInfo}) => {
     const remote = await browserType.connect({ wsEndpoint: remoteServer.wsEndpoint() });
     const videosPath = testInfo.outputPath();
     const context = await remote.newContext({
diff --git a/test/defaultbrowsercontext-2.spec.ts b/test/defaultbrowsercontext-2.spec.ts
index 453227aa9b..a8713fa259 100644
--- a/test/defaultbrowsercontext-2.spec.ts
+++ b/test/defaultbrowsercontext-2.spec.ts
@@ -66,9 +66,7 @@ it('should support ignoreHTTPSErrors option', async ({httpsServer, launchPersist
   expect(response.ok()).toBe(true);
 });
 
-it('should support extraHTTPHeaders option', (test, { browserName, platform, headful }) => {
-  test.flaky(browserName === 'firefox' && headful && platform === 'linux', 'Intermittent timeout on bots');
-}, async ({server, launchPersistent}) => {
+it('should support extraHTTPHeaders option', async ({server, launchPersistent}) => {
   const {page} = await launchPersistent({extraHTTPHeaders: { foo: 'bar' }});
   const [request] = await Promise.all([
     server.waitForRequest('/empty.html'),
@@ -111,7 +109,6 @@ it('should restore state from userDataDir', (test, { browserName }) => {
 
 it('should restore cookies from userDataDir', (test, { browserName }) => {
   test.slow();
-  test.flaky(browserName === 'chromium');
 }, async ({browserType, browserOptions,  server, createUserDataDir}) => {
   const userDataDir = await createUserDataDir();
   const browserContext = await browserType.launchPersistentContext(userDataDir, browserOptions);
diff --git a/test/elementhandle-owner-frame.spec.ts b/test/elementhandle-owner-frame.spec.ts
index 16b2c6ee08..7578339b75 100644
--- a/test/elementhandle-owner-frame.spec.ts
+++ b/test/elementhandle-owner-frame.spec.ts
@@ -34,9 +34,7 @@ it('should work for cross-process iframes', async ({ page, server }) => {
   expect(await elementHandle.ownerFrame()).toBe(frame);
 });
 
-it('should work for document', (test, { browserName, platform }) => {
-  test.flaky(platform === 'win32' && browserName === 'webkit');
-}, async ({ page, server }) => {
+it('should work for document', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await attachFrame(page, 'frame1', server.EMPTY_PAGE);
   const frame = page.frames()[1];
diff --git a/test/elementhandle-screenshot.spec.ts b/test/elementhandle-screenshot.spec.ts
index 51f7e43fc9..5c9741f539 100644
--- a/test/elementhandle-screenshot.spec.ts
+++ b/test/elementhandle-screenshot.spec.ts
@@ -362,9 +362,7 @@ describe('element screenshot', (suite, parameters) => {
     await context.close();
   });
 
-  it('should wait for element to stop moving', (test, { browserName, headful, platform }) => {
-    test.flaky(browserName === 'webkit' && headful && platform === 'linux');
-  }, async ({ page, server }) => {
+  it('should wait for element to stop moving', async ({ page, server }) => {
     await page.setViewportSize({ width: 500, height: 500 });
     await page.goto(server.PREFIX + '/grid.html');
     const elementHandle = await page.$('.box:nth-of-type(3)');
diff --git a/test/fixtures.spec.ts b/test/fixtures.spec.ts
index 62e7dc6dd6..475176618a 100644
--- a/test/fixtures.spec.ts
+++ b/test/fixtures.spec.ts
@@ -46,7 +46,6 @@ const { it, describe, expect } = fixtures.build();
 
 it('should close the browser when the node process closes', test => {
   test.slow();
-  test.flaky('Flakes at least on WebKit Linux');
 }, async ({connectedRemoteServer, isWindows}) => {
   if (isWindows)
     execSync(`taskkill /pid ${connectedRemoteServer.child().pid} /T /F`);
diff --git a/test/headful.spec.ts b/test/headful.spec.ts
index 3842d467e3..9a37630c16 100644
--- a/test/headful.spec.ts
+++ b/test/headful.spec.ts
@@ -24,8 +24,6 @@ it('should have default url when launching browser', async ({browserType, browse
 });
 
 it('headless should be able to read cookies written by headful', (test, { browserName, platform }) => {
-  test.flaky(platform === 'win32' && browserName === 'chromium');
-  test.flaky(browserName === 'firefox');
   test.slow();
 }, async ({browserType, browserOptions, server, createUserDataDir}) => {
   // see https://github.com/microsoft/playwright/issues/717
diff --git a/test/page-event-crash.spec.ts b/test/page-event-crash.spec.ts
index 97a3c0fa98..1d0bb4d1ff 100644
--- a/test/page-event-crash.spec.ts
+++ b/test/page-event-crash.spec.ts
@@ -29,7 +29,6 @@ function crash(page, toImpl, browserName) {
 
 describe('', (suite, { browserName, platform, mode }) => {
   suite.skip(mode !== 'default' && browserName !== 'chromium');
-  suite.flaky(browserName === 'firefox' && platform === 'win32');
   const isBigSur = platform === 'darwin' && parseInt(os.release(), 10) >= 20;
   suite.fixme(isBigSur && browserName === 'webkit', 'Timing out after roll');
 }, () => {
diff --git a/test/page-mouse.spec.ts b/test/page-mouse.spec.ts
index 6ad9b621a6..485e416c0a 100644
--- a/test/page-mouse.spec.ts
+++ b/test/page-mouse.spec.ts
@@ -27,9 +27,7 @@ function dimensions() {
   };
 }
 
-it('should click the document', (test, { browserName, platform }) => {
-  test.flaky(browserName === 'firefox' && platform === 'win32', 'Occasionally times out on options.FIREFOX on Windows: https://github.com/microsoft/playwright/pull/1911/checks?check_run_id=607149016');
-}, async ({page, server}) => {
+it('should click the document', async ({page, server}) => {
   await page.evaluate(() => {
     window['clickPromise'] = new Promise(resolve => {
       document.addEventListener('click', event => {
diff --git a/test/page-request-continue.spec.ts b/test/page-request-continue.spec.ts
index afe239cd6a..61b162c315 100644
--- a/test/page-request-continue.spec.ts
+++ b/test/page-request-continue.spec.ts
@@ -16,7 +16,6 @@
  */
 
 import { it, expect, describe } from './fixtures';
-import * as os from 'os';
 
 it('should work', async ({page, server}) => {
   await page.route('**/*', route => route.continue());
@@ -97,10 +96,7 @@ it('should amend method on main request', async ({page, server}) => {
   expect((await request).method).toBe('POST');
 });
 
-describe('', (suite, { browserName, platform }) => {
-  const isBigSur = platform === 'darwin' && parseInt(os.release(), 10) >= 20;
-  suite.flaky(isBigSur && browserName === 'webkit', 'Flaky after roll');
-}, () => {
+describe('', () => {
   it('should amend post data', async ({page, server}) => {
     await page.goto(server.EMPTY_PAGE);
     await page.route('**/*', route => {
diff --git a/test/permissions.spec.ts b/test/permissions.spec.ts
index c19ad5877c..310087c733 100644
--- a/test/permissions.spec.ts
+++ b/test/permissions.spec.ts
@@ -104,7 +104,6 @@ describe('permissions', (suite, { browserName }) => {
   it('should trigger permission onchange', (test, { browserName, headful, platform }) => {
     test.fail(browserName === 'webkit');
     test.fail(browserName === 'chromium' && headful);
-    test.flaky(browserName === 'firefox' && platform === 'linux');
   }, async ({page, server, context}) => {
     // TODO: flaky
     // - Linux: https://github.com/microsoft/playwright/pull/1790/checks?check_run_id=587327883
diff --git a/test/proxy.spec.ts b/test/proxy.spec.ts
index 120747e97e..fc54ad06b7 100644
--- a/test/proxy.spec.ts
+++ b/test/proxy.spec.ts
@@ -137,9 +137,7 @@ it('should exclude patterns', (test, { browserName, headful }) => {
   await browser.close();
 });
 
-it('should use socks proxy', (test, { browserName, platform }) => {
-  test.flaky(platform === 'darwin' && browserName === 'webkit', 'Intermittent page.goto: The network connection was lost error on bots');
-}, async ({ browserType, browserOptions, socksPort }) => {
+it('should use socks proxy', async ({ browserType, browserOptions, socksPort }) => {
   const browser = await browserType.launch({
     ...browserOptions,
     proxy: { server: `socks5://localhost:${socksPort}` }
@@ -150,9 +148,7 @@ it('should use socks proxy', (test, { browserName, platform }) => {
   await browser.close();
 });
 
-it('should use socks proxy in second page', (test, { browserName, platform }) => {
-  test.flaky(platform === 'darwin' && browserName === 'webkit', 'Intermittent page.goto: The network connection was lost error on bots');
-}, async ({ browserType, browserOptions, socksPort }) => {
+it('should use socks proxy in second page', async ({ browserType, browserOptions, socksPort }) => {
   const browser = await browserType.launch({
     ...browserOptions,
     proxy: { server: `socks5://localhost:${socksPort}` }