diff --git a/test/browsercontext-add-cookies.spec.js b/test/browsercontext-add-cookies.spec.js
index 8ecc8c8295..b2b0c028c6 100644
--- a/test/browsercontext-add-cookies.spec.js
+++ b/test/browsercontext-add-cookies.spec.js
@@ -26,6 +26,7 @@ it('should work', async({context, page, server}) => {
   }]);
   expect(await page.evaluate(() => document.cookie)).toEqual('password=123456');
 });
+
 it('should roundtrip cookie', async({context, page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   // @see https://en.wikipedia.org/wiki/Year_2038_problem
@@ -42,6 +43,7 @@ it('should roundtrip cookie', async({context, page, server}) => {
   await context.addCookies(cookies);
   expect(await context.cookies()).toEqual(cookies);
 });
+
 it('should send cookie header', async({server, context}) => {
   let cookie = '';
   server.setRoute('/empty.html', (req, res) => {
@@ -53,6 +55,7 @@ it('should send cookie header', async({server, context}) => {
   await page.goto(server.EMPTY_PAGE);
   expect(cookie).toBe('cookie=value');
 });
+
 it('should isolate cookies in browser contexts', async({context, server, browser}) => {
   const anotherContext = await browser.newContext();
   await context.addCookies([{url: server.EMPTY_PAGE, name: 'isolatecookie', value: 'page1value'}]);
@@ -68,6 +71,7 @@ it('should isolate cookies in browser contexts', async({context, server, browser
   expect(cookies2[0].value).toBe('page2value');
   await anotherContext.close();
 });
+
 it('should isolate session cookies', async({context, server, browser}) => {
   server.setRoute('/setcookie.html', (req, res) => {
     res.setHeader('Set-Cookie', 'session=value');
@@ -93,6 +97,7 @@ it('should isolate session cookies', async({context, server, browser}) => {
     await context2.close();
   }
 });
+
 it('should isolate persistent cookies', async({context, server, browser}) => {
   server.setRoute('/setcookie.html', (req, res) => {
     res.setHeader('Set-Cookie', 'persistent=persistent-value; max-age=3600');
@@ -112,6 +117,7 @@ it('should isolate persistent cookies', async({context, server, browser}) => {
   expect(cookies2.length).toBe(0);
   await context2.close();
 });
+
 it('should isolate send cookie header', async({server, context, browser}) => {
   let cookie = [];
   server.setRoute('/empty.html', (req, res) => {
@@ -132,6 +138,7 @@ it('should isolate send cookie header', async({server, context, browser}) => {
     await context.close();
   }
 });
+
 it.slow()('should isolate cookies between launches', async({browserType, server, defaultBrowserOptions}) => {
   const browser1 = await browserType.launch(defaultBrowserOptions);
   const context1 = await browser1.newContext();
@@ -144,6 +151,7 @@ it.slow()('should isolate cookies between launches', async({browserType, server,
   expect(cookies.length).toBe(0);
   await browser2.close();
 });
+
 it('should set multiple cookies', async({context, page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   await context.addCookies([{
@@ -163,6 +171,7 @@ it('should set multiple cookies', async({context, page, server}) => {
     'multiple-2=bar',
   ]);
 });
+
 it('should have |expires| set to |-1| for session cookies', async({context, server}) => {
   await context.addCookies([{
     url: server.EMPTY_PAGE,
@@ -172,6 +181,7 @@ it('should have |expires| set to |-1| for session cookies', async({context, serv
   const cookies = await context.cookies();
   expect(cookies[0].expires).toBe(-1);
 });
+
 it('should set cookie with reasonable defaults', async({context, server}) => {
   await context.addCookies([{
     url: server.EMPTY_PAGE,
@@ -190,6 +200,7 @@ it('should set cookie with reasonable defaults', async({context, server}) => {
     sameSite: 'None',
   }]);
 });
+
 it('should set a cookie with a path', async({context, page, server}) => {
   await page.goto(server.PREFIX + '/grid.html');
   await context.addCookies([{
@@ -214,6 +225,7 @@ it('should set a cookie with a path', async({context, page, server}) => {
   await page.goto(server.PREFIX + '/grid.html');
   expect(await page.evaluate('document.cookie')).toBe('gridcookie=GRID');
 });
+
 it('should not set a cookie with blank page URL', async function({context, server}) {
   let error = null;
   try {
@@ -228,6 +240,7 @@ it('should not set a cookie with blank page URL', async function({context, serve
       `Blank page can not have cookie "example-cookie-blank"`
   );
 });
+
 it('should not set a cookie on a data URL page', async function({context}) {
   let error = null;
   try {
@@ -237,6 +250,7 @@ it('should not set a cookie on a data URL page', async function({context}) {
   }
   expect(error.message).toContain('Data URL page can not have cookie "example-cookie"');
 });
+
 it('should default to setting secure cookie for HTTPS websites', async({context, page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   const SECURE_URL = 'https://example.com';
@@ -248,6 +262,7 @@ it('should default to setting secure cookie for HTTPS websites', async({context,
   const [cookie] = await context.cookies(SECURE_URL);
   expect(cookie.secure).toBe(true);
 });
+
 it('should be able to set unsecure cookie for HTTP website', async({context, page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   const HTTP_URL = 'http://example.com';
@@ -259,6 +274,7 @@ it('should be able to set unsecure cookie for HTTP website', async({context, pag
   const [cookie] = await context.cookies(HTTP_URL);
   expect(cookie.secure).toBe(false);
 });
+
 it('should set a cookie on a different domain', async({context, page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   await context.addCookies([{
@@ -278,6 +294,7 @@ it('should set a cookie on a different domain', async({context, page, server}) =
     sameSite: 'None',
   }]);
 });
+
 it('should set cookies for a frame', async({context, page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   await context.addCookies([
@@ -295,6 +312,7 @@ it('should set cookies for a frame', async({context, page, server}) => {
 
   expect(await page.frames()[1].evaluate('document.cookie')).toBe('frame-cookie=value');
 });
+
 it('should(not) block third party cookies', async({context, page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   await page.evaluate(src => {
diff --git a/test/browsercontext-page-event.spec.js b/test/browsercontext-page-event.spec.js
index 958de2ad84..4188f93041 100644
--- a/test/browsercontext-page-event.spec.js
+++ b/test/browsercontext-page-event.spec.js
@@ -158,6 +158,7 @@ it('should fire page lifecycle events', async function({browser, server}) {
   ]);
   await context.close();
 });
+
 it.fail(WEBKIT)('should work with Shift-clicking', async({browser, server}) => {
   // WebKit: Shift+Click does not open a new window.
   const context = await browser.newContext();
@@ -171,6 +172,7 @@ it.fail(WEBKIT)('should work with Shift-clicking', async({browser, server}) => {
   expect(await popup.opener()).toBe(null);
   await context.close();
 });
+
 it.fail(WEBKIT || FFOX)('should work with Ctrl-clicking', async({browser, server}) => {
   // Firefox: reports an opener in this case.
   // WebKit: Ctrl+Click does not open a new tab.
diff --git a/test/downloads-path.spec.js b/test/downloads-path.spec.js
index c729188900..2807aeaf3a 100644
--- a/test/downloads-path.spec.js
+++ b/test/downloads-path.spec.js
@@ -99,6 +99,7 @@ it('should delete downloads when context closes', async({downloadsBrowser, downl
   expect(fs.existsSync(path)).toBeFalsy();
 
 });
+
 it('should report downloads in downloadsPath folder', async({downloadsBrowser, downloadsPath, server}) => {
   const page = await downloadsBrowser.newPage({ acceptDownloads: true });
   await page.setContent(`<a href="${server.PREFIX}/download">download</a>`);
diff --git a/test/elementhandle-bounding-box.spec.js b/test/elementhandle-bounding-box.spec.js
index 4cfc3bda88..7e0840a076 100644
--- a/test/elementhandle-bounding-box.spec.js
+++ b/test/elementhandle-bounding-box.spec.js
@@ -25,6 +25,7 @@ it.fail(FFOX && !HEADLESS)('should work', async ({ page, server }) => {
   const box = await elementHandle.boundingBox();
   expect(box).toEqual({ x: 100, y: 50, width: 50, height: 50 });
 });
+
 it('should handle nested frames', async ({ page, server }) => {
   await page.setViewportSize({ width: 500, height: 500 });
   await page.goto(server.PREFIX + '/frames/nested-frames.html');
@@ -33,11 +34,13 @@ it('should handle nested frames', async ({ page, server }) => {
   const box = await elementHandle.boundingBox();
   expect(box).toEqual({ x: 24, y: 224, width: 268, height: 18 });
 });
+
 it('should return null for invisible elements', async ({ page, server }) => {
   await page.setContent('<div style="display:none">hi</div>');
   const element = await page.$('div');
   expect(await element.boundingBox()).toBe(null);
 });
+
 it('should force a layout', async ({ page, server }) => {
   await page.setViewportSize({ width: 500, height: 500 });
   await page.setContent('<div style="width: 100px; height: 100px">hello</div>');
@@ -46,6 +49,7 @@ it('should force a layout', async ({ page, server }) => {
   const box = await elementHandle.boundingBox();
   expect(box).toEqual({ x: 8, y: 8, width: 100, height: 200 });
 });
+
 it('should work with SVG nodes', async ({ page, server }) => {
   await page.setContent(`
       <svg xmlns="http://www.w3.org/2000/svg" width="500" height="500">
@@ -60,6 +64,7 @@ it('should work with SVG nodes', async ({ page, server }) => {
   }, element);
   expect(pwBoundingBox).toEqual(webBoundingBox);
 });
+
 it.skip(FFOX)('should work with page scale', async ({ browser, server }) => {
   const context = await browser.newContext({ viewport: { width: 400, height: 400, isMobile: true } });
   const page = await context.newPage();
@@ -80,6 +85,7 @@ it.skip(FFOX)('should work with page scale', async ({ browser, server }) => {
   expect(Math.round(box.height * 100)).toBe(20 * 100);
   await context.close();
 });
+
 it('should work when inline box child is outside of viewport', async ({ page, server }) => {
   await page.setContent(`
       <style>
diff --git a/test/elementhandle-click.spec.js b/test/elementhandle-click.spec.js
index 122060b115..11cbe8401b 100644
--- a/test/elementhandle-click.spec.js
+++ b/test/elementhandle-click.spec.js
@@ -24,6 +24,7 @@ it('should work', async ({ page, server }) => {
   await button.click();
   expect(await page.evaluate(() => result)).toBe('Clicked');
 });
+
 it('should work with Node removed', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/button.html');
   await page.evaluate(() => delete window['Node']);
@@ -31,18 +32,21 @@ it('should work with Node removed', async ({ page, server }) => {
   await button.click();
   expect(await page.evaluate(() => result)).toBe('Clicked');
 });
+
 it('should work for Shadow DOM v1', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/shadow.html');
   const buttonHandle = await page.evaluateHandle(() => button);
   await buttonHandle.click();
   expect(await page.evaluate(() => clicked)).toBe(true);
 });
+
 it('should work for TextNodes', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/button.html');
   const buttonTextNode = await page.evaluateHandle(() => document.querySelector('button').firstChild);
   await buttonTextNode.click();
   expect(await page.evaluate(() => result)).toBe('Clicked');
 });
+
 it('should throw for detached nodes', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/button.html');
   const button = await page.$('button');
@@ -51,6 +55,7 @@ it('should throw for detached nodes', async ({ page, server }) => {
   await button.click().catch(err => error = err);
   expect(error.message).toContain('Element is not attached to the DOM');
 });
+
 it('should throw for hidden nodes with force', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/button.html');
   const button = await page.$('button');
@@ -58,6 +63,7 @@ it('should throw for hidden nodes with force', async ({ page, server }) => {
   const error = await button.click({ force: true }).catch(err => err);
   expect(error.message).toContain('Element is not visible');
 });
+
 it('should throw for recursively hidden nodes with force', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/button.html');
   const button = await page.$('button');
@@ -65,12 +71,14 @@ it('should throw for recursively hidden nodes with force', async ({ page, server
   const error = await button.click({ force: true }).catch(err => err);
   expect(error.message).toContain('Element is not visible');
 });
+
 it('should throw for <br> elements with force', async ({ page, server }) => {
   await page.setContent('hello<br>goodbye');
   const br = await page.$('br');
   const error = await br.click({ force: true }).catch(err => err);
   expect(error.message).toContain('Element is outside of the viewport');
 });
+
 it('should double click the button', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/button.html');
   await page.evaluate(() => {
diff --git a/test/elementhandle-content-frame.spec.js b/test/elementhandle-content-frame.spec.js
index f22d11fe81..c0a35f0f3a 100644
--- a/test/elementhandle-content-frame.spec.js
+++ b/test/elementhandle-content-frame.spec.js
@@ -25,6 +25,7 @@ it('should work', async ({ page, server }) => {
   const frame = await elementHandle.contentFrame();
   expect(frame).toBe(page.frames()[1]);
 });
+
 it('should work for cross-process iframes', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.CROSS_PROCESS_PREFIX + '/empty.html');
@@ -32,6 +33,7 @@ it('should work for cross-process iframes', async ({ page, server }) => {
   const frame = await elementHandle.contentFrame();
   expect(frame).toBe(page.frames()[1]);
 });
+
 it('should work for cross-frame evaluations', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
@@ -39,6 +41,7 @@ it('should work for cross-frame evaluations', async ({ page, server }) => {
   const elementHandle = await frame.evaluateHandle(() => window.top.document.querySelector('#frame1'));
   expect(await elementHandle.contentFrame()).toBe(frame);
 });
+
 it('should return null for non-iframes', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
@@ -46,6 +49,7 @@ it('should return null for non-iframes', async ({ page, server }) => {
   const elementHandle = await frame.evaluateHandle(() => document.body);
   expect(await elementHandle.contentFrame()).toBe(null);
 });
+
 it('should return null for document.documentElement', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
diff --git a/test/elementhandle-convenience.spec.js b/test/elementhandle-convenience.spec.js
index bad03e27e3..d9d8b8d2d7 100644
--- a/test/elementhandle-convenience.spec.js
+++ b/test/elementhandle-convenience.spec.js
@@ -30,6 +30,7 @@ it('should have a nice preview', async ({ page, server }) => {
   expect(String(text)).toBe('JSHandle@#text=Text,↵more text');
   expect(String(check)).toBe('JSHandle@<input checked id="check" foo="bar"" type="checkbox"/>');
 });
+
 it('getAttribute should work', async ({ page, server }) => {
   await page.goto(`${server.PREFIX}/dom.html`);
   const handle = await page.$('#outer');
@@ -38,18 +39,21 @@ it('getAttribute should work', async ({ page, server }) => {
   expect(await page.getAttribute('#outer', 'name')).toBe('value');
   expect(await page.getAttribute('#outer', 'foo')).toBe(null);
 });
+
 it('innerHTML should work', async ({ page, server }) => {
   await page.goto(`${server.PREFIX}/dom.html`);
   const handle = await page.$('#outer');
   expect(await handle.innerHTML()).toBe('<div id="inner">Text,\nmore text</div>');
   expect(await page.innerHTML('#outer')).toBe('<div id="inner">Text,\nmore text</div>');
 });
+
 it('innerText should work', async ({ page, server }) => {
   await page.goto(`${server.PREFIX}/dom.html`);
   const handle = await page.$('#inner');
   expect(await handle.innerText()).toBe('Text, more text');
   expect(await page.innerText('#inner')).toBe('Text, more text');
 });
+
 it('innerText should throw', async ({ page, server }) => {
   await page.setContent(`<svg>text</svg>`);
   const error1 = await page.innerText('svg').catch(e => e);
@@ -58,12 +62,14 @@ it('innerText should throw', async ({ page, server }) => {
   const error2 = await handle.innerText().catch(e => e);
   expect(error2.message).toContain('Not an HTMLElement');
 });
+
 it('textContent should work', async ({ page, server }) => {
   await page.goto(`${server.PREFIX}/dom.html`);
   const handle = await page.$('#inner');
   expect(await handle.textContent()).toBe('Text,\nmore text');
   expect(await page.textContent('#inner')).toBe('Text,\nmore text');
 });
+
 it('textContent should be atomic', async ({ playwright, page }) => {
   const createDummySelector = () => ({
     create(root, target) { },
@@ -86,6 +92,7 @@ it('textContent should be atomic', async ({ playwright, page }) => {
   expect(tc).toBe('Hello');
   expect(await page.evaluate(() => document.querySelector('div').textContent)).toBe('modified');
 });
+
 it('innerText should be atomic', async ({ playwright, page }) => {
   const createDummySelector = () => ({
     create(root, target) { },
@@ -108,6 +115,7 @@ it('innerText should be atomic', async ({ playwright, page }) => {
   expect(tc).toBe('Hello');
   expect(await page.evaluate(() => document.querySelector('div').innerText)).toBe('modified');
 });
+
 it('innerHTML should be atomic', async ({ playwright, page }) => {
   const createDummySelector = () => ({
     create(root, target) { },
@@ -130,6 +138,7 @@ it('innerHTML should be atomic', async ({ playwright, page }) => {
   expect(tc).toBe('Hello<span>world</span>');
   expect(await page.evaluate(() => document.querySelector('div').innerHTML)).toBe('modified');
 });
+
 it('getAttribute should be atomic', async ({ playwright, page }) => {
   const createDummySelector = () => ({
     create(root, target) { },
diff --git a/test/elementhandle-owner-frame.spec.js b/test/elementhandle-owner-frame.spec.js
index 7e6e850965..4e7ed651a3 100644
--- a/test/elementhandle-owner-frame.spec.js
+++ b/test/elementhandle-owner-frame.spec.js
@@ -25,6 +25,7 @@ it('should work', async ({ page, server }) => {
   const elementHandle = await frame.evaluateHandle(() => document.body);
   expect(await elementHandle.ownerFrame()).toBe(frame);
 });
+
 it('should work for cross-process iframes', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.CROSS_PROCESS_PREFIX + '/empty.html');
@@ -32,6 +33,7 @@ it('should work for cross-process iframes', async ({ page, server }) => {
   const elementHandle = await frame.evaluateHandle(() => document.body);
   expect(await elementHandle.ownerFrame()).toBe(frame);
 });
+
 it('should work for document', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
@@ -39,6 +41,7 @@ it('should work for document', async ({ page, server }) => {
   const elementHandle = await frame.evaluateHandle(() => document);
   expect(await elementHandle.ownerFrame()).toBe(frame);
 });
+
 it('should work for iframe elements', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
@@ -46,6 +49,7 @@ it('should work for iframe elements', async ({ page, server }) => {
   const elementHandle = await frame.evaluateHandle(() => document.querySelector('#frame1'));
   expect(await elementHandle.ownerFrame()).toBe(frame);
 });
+
 it('should work for cross-frame evaluations', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
@@ -53,6 +57,7 @@ it('should work for cross-frame evaluations', async ({ page, server }) => {
   const elementHandle = await frame.evaluateHandle(() => document.querySelector('#frame1').contentWindow.document.body);
   expect(await elementHandle.ownerFrame()).toBe(frame.childFrames()[0]);
 });
+
 it('should work for detached elements', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   const divHandle = await page.evaluateHandle(() => {
@@ -67,6 +72,7 @@ it('should work for detached elements', async ({ page, server }) => {
   });
   expect(await divHandle.ownerFrame()).toBe(page.mainFrame());
 });
+
 it('should work for adopted elements', async ({ page, server }) => {
   await page.goto(server.EMPTY_PAGE);
   const [popup] = await Promise.all([
diff --git a/test/elementhandle-press.spec.js b/test/elementhandle-press.spec.js
index d2d99518e0..96d6096234 100644
--- a/test/elementhandle-press.spec.js
+++ b/test/elementhandle-press.spec.js
@@ -23,11 +23,13 @@ it('should work', async ({ page }) => {
   await page.press('input', 'h');
   expect(await page.$eval('input', input => input.value)).toBe('h');
 });
+
 it('should not select existing value', async ({ page }) => {
   await page.setContent(`<input type='text' value='hello' />`);
   await page.press('input', 'w');
   expect(await page.$eval('input', input => input.value)).toBe('whello');
 });
+
 it('should reset selection when not focused', async ({ page }) => {
   await page.setContent(`<input type='text' value='hello' /><div tabIndex=2>text</div>`);
   await page.$eval('input', input => {
@@ -38,6 +40,7 @@ it('should reset selection when not focused', async ({ page }) => {
   await page.press('input', 'w');
   expect(await page.$eval('input', input => input.value)).toBe('whello');
 });
+
 it('should not modify selection when focused', async ({ page }) => {
   await page.setContent(`<input type='text' value='hello' />`);
   await page.$eval('input', input => {
@@ -48,6 +51,7 @@ it('should not modify selection when focused', async ({ page }) => {
   await page.press('input', 'w');
   expect(await page.$eval('input', input => input.value)).toBe('hewo');
 });
+
 it('should work with number input', async ({ page }) => {
   await page.setContent(`<input type='number' value=2 />`);
   await page.press('input', '1');
diff --git a/test/elementhandle-screenshot.spec.js b/test/elementhandle-screenshot.spec.js
index ca454605a1..ff3a443d78 100644
--- a/test/elementhandle-screenshot.spec.js
+++ b/test/elementhandle-screenshot.spec.js
@@ -30,6 +30,7 @@ it.skip(ffheadful)('should work', async({page, server}) => {
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-bounding-box.png');
 });
+
 it.skip(ffheadful)('should take into account padding and border', async({page}) => {
   await page.setViewportSize({width: 500, height: 500});
   await page.setContent(`
@@ -47,6 +48,7 @@ it.skip(ffheadful)('should take into account padding and border', async({page})
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-padding-border.png');
 });
+
 it.skip(ffheadful)('should capture full element when larger than viewport in parallel', async({page}) => {
   await page.setViewportSize({width: 500, height: 500});
 
@@ -74,6 +76,7 @@ it.skip(ffheadful)('should capture full element when larger than viewport in par
 
   await utils.verifyViewport(page, 500, 500);
 });
+
 it.skip(ffheadful)('should capture full element when larger than viewport', async({page}) => {
   await page.setViewportSize({width: 500, height: 500});
 
@@ -100,6 +103,7 @@ it.skip(ffheadful)('should capture full element when larger than viewport', asyn
 
   await utils.verifyViewport(page, 500, 500);
 });
+
 it.skip(ffheadful)('should scroll element into view', async({page}) => {
   await page.setViewportSize({width: 500, height: 500});
   await page.setContent(`
@@ -123,6 +127,7 @@ it.skip(ffheadful)('should scroll element into view', async({page}) => {
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-scrolled-into-view.png');
 });
+
 it.skip(ffheadful)('should scroll 15000px into view', async({page}) => {
   await page.setViewportSize({width: 500, height: 500});
   await page.setContent(`
@@ -146,6 +151,7 @@ it.skip(ffheadful)('should scroll 15000px into view', async({page}) => {
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-scrolled-into-view.png');
 });
+
 it.skip(ffheadful)('should work with a rotated element', async({page}) => {
   await page.setViewportSize({width: 500, height: 500});
   await page.setContent(`<div style="position:absolute;
@@ -159,6 +165,7 @@ it.skip(ffheadful)('should work with a rotated element', async({page}) => {
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-rotate.png');
 });
+
 it.skip(ffheadful)('should fail to screenshot a detached element', async({page, server}) => {
   await page.setContent('<h1>remove this</h1>');
   const elementHandle = await page.$('h1');
@@ -166,6 +173,7 @@ it.skip(ffheadful)('should fail to screenshot a detached element', async({page,
   const screenshotError = await elementHandle.screenshot().catch(error => error);
   expect(screenshotError.message).toContain('Element is not attached to the DOM');
 });
+
 it.skip(ffheadful)('should timeout waiting for visible', async({page, server}) => {
   await page.setContent('<div style="width: 50px; height: 0"></div>');
   const div = await page.$('div');
@@ -173,6 +181,7 @@ it.skip(ffheadful)('should timeout waiting for visible', async({page, server}) =
   expect(error.message).toContain('elementHandle.screenshot: Timeout 3000ms exceeded');
   expect(error.message).toContain('element is not visible');
 });
+
 it.skip(ffheadful)('should wait for visible', async({page, server}) => {
   await page.setViewportSize({width: 500, height: 500});
   await page.goto(server.PREFIX + '/grid.html');
@@ -191,12 +200,14 @@ it.skip(ffheadful)('should wait for visible', async({page, server}) => {
   const screenshot = await promise;
   expect(screenshot).toBeGolden('screenshot-element-bounding-box.png');
 });
+
 it.skip(ffheadful)('should work for an element with fractional dimensions', async({page}) => {
   await page.setContent('<div style="width:48.51px;height:19.8px;border:1px solid black;"></div>');
   const elementHandle = await page.$('div');
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-fractional.png');
 });
+
 it.skip(FFOX)('should work with a mobile viewport', async({browser, server}) => {
   const context = await browser.newContext({viewport: { width: 320, height: 480, isMobile: true }});
   const page = await context.newPage();
@@ -207,6 +218,7 @@ it.skip(FFOX)('should work with a mobile viewport', async({browser, server}) =>
   expect(screenshot).toBeGolden('screenshot-element-mobile.png');
   await context.close();
 });
+
 it.skip(FFOX)('should work with device scale factor', async({browser, server}) => {
   const context = await browser.newContext({ viewport: { width: 320, height: 480 }, deviceScaleFactor: 2 });
   const page = await context.newPage();
@@ -217,12 +229,14 @@ it.skip(FFOX)('should work with device scale factor', async({browser, server}) =
   expect(screenshot).toBeGolden('screenshot-element-mobile-dsf.png');
   await context.close();
 });
+
 it.skip(ffheadful)('should work for an element with an offset', async({page}) => {
   await page.setContent('<div style="position:absolute; top: 10.3px; left: 20.4px;width:50.3px;height:20.2px;border:1px solid black;"></div>');
   const elementHandle = await page.$('div');
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-fractional-offset.png');
 });
+
 it.skip(ffheadful)('should take screenshots when default viewport is null', async({server, browser}) => {
   const context = await browser.newContext({ viewport: null });
   const page = await context.newPage();
@@ -241,6 +255,7 @@ it.skip(ffheadful)('should take screenshots when default viewport is null', asyn
   expect(sizeBefore.height).toBe(sizeAfter.height);
   await context.close();
 });
+
 it.skip(ffheadful)('should take fullPage screenshots when default viewport is null', async({server, browser}) => {
   const context = await browser.newContext({ viewport: null });
   const page = await context.newPage();
@@ -256,6 +271,7 @@ it.skip(ffheadful)('should take fullPage screenshots when default viewport is nu
   expect(sizeBefore.height).toBe(sizeAfter.height);
   await context.close();
 });
+
 it.skip(ffheadful)('should restore default viewport after fullPage screenshot', async({ browser }) => {
   const context = await browser.newContext({ viewport: { width: 456, height: 789 } });
   const page = await context.newPage();
@@ -265,6 +281,7 @@ it.skip(ffheadful)('should restore default viewport after fullPage screenshot',
   await utils.verifyViewport(page, 456, 789);
   await context.close();
 });
+
 it.skip(ffheadful || USES_HOOKS)('should restore viewport after page screenshot and exception', async({ browser, server }) => {
   const context = await browser.newContext({ viewport: { width: 350, height: 360 } });
   const page = await context.newPage();
@@ -275,6 +292,7 @@ it.skip(ffheadful || USES_HOOKS)('should restore viewport after page screenshot
   await utils.verifyViewport(page, 350, 360);
   await context.close();
 });
+
 it.skip(ffheadful || USES_HOOKS)('should restore viewport after page screenshot and timeout', async({ browser, server }) => {
   const context = await browser.newContext({ viewport: { width: 350, height: 360 } });
   const page = await context.newPage();
@@ -288,6 +306,7 @@ it.skip(ffheadful || USES_HOOKS)('should restore viewport after page screenshot
   await utils.verifyViewport(page, 400, 400);
   await context.close();
 });
+
 it.skip(ffheadful)('should take element screenshot when default viewport is null and restore back', async({server, browser}) => {
   const context = await browser.newContext({viewport: null});
   const page = await context.newPage({ viewport: null });
@@ -317,6 +336,7 @@ it.skip(ffheadful)('should take element screenshot when default viewport is null
   expect(sizeBefore.height).toBe(sizeAfter.height);
   await context.close();
 });
+
 it.skip(ffheadful || USES_HOOKS)('should restore viewport after element screenshot and exception', async({server, browser}) => {
   const context = await browser.newContext({ viewport: { width: 350, height: 360 } });
   const page = await context.newPage();
@@ -328,6 +348,7 @@ it.skip(ffheadful || USES_HOOKS)('should restore viewport after element screensh
   await utils.verifyViewport(page, 350, 360);
   await context.close();
 });
+
 it.skip(ffheadful)('should wait for element to stop moving', async({page, server}) => {
   await page.setViewportSize({ width: 500, height: 500 });
   await page.goto(server.PREFIX + '/grid.html');
@@ -339,6 +360,7 @@ it.skip(ffheadful)('should wait for element to stop moving', async({page, server
   const screenshot = await elementHandle.screenshot();
   expect(screenshot).toBeGolden('screenshot-element-bounding-box.png');
 });
+
 it.skip(ffheadful)('should take screenshot of disabled button', async({page}) => {
   await page.setViewportSize({ width: 500, height: 500 });
   await page.setContent(`<button disabled>Click me</button>`);
diff --git a/test/elementhandle-scroll-into-view.spec.js b/test/elementhandle-scroll-into-view.spec.js
index 5a96830f48..0d625fa15c 100644
--- a/test/elementhandle-scroll-into-view.spec.js
+++ b/test/elementhandle-scroll-into-view.spec.js
@@ -34,6 +34,7 @@ it('should work', async ({ page, server }) => {
     await page.evaluate(() => window.scrollTo(0, 0));
   }
 });
+
 it('should throw for detached element', async ({ page, server }) => {
   await page.setContent('<div>Hello</div>');
   const div = await page.$('div');
@@ -56,22 +57,27 @@ it('should wait for display:none to become visible', async ({ page, server }) =>
   await page.setContent('<div style="display:none">Hello</div>');
   await testWaiting(page, div => div.style.display = 'block');
 });
+
 it('should wait for display:contents to become visible', async ({ page, server }) => {
   await page.setContent('<div style="display:contents">Hello</div>');
   await testWaiting(page, div => div.style.display = 'block');
 });
+
 it('should wait for visibility:hidden to become visible', async ({ page, server }) => {
   await page.setContent('<div style="visibility:hidden">Hello</div>');
   await testWaiting(page, div => div.style.visibility = 'visible');
 });
+
 it('should wait for zero-sized element to become visible', async ({ page, server }) => {
   await page.setContent('<div style="height:0">Hello</div>');
   await testWaiting(page, div => div.style.height = '100px');
 });
+
 it('should wait for nested display:none to become visible', async ({ page, server }) => {
   await page.setContent('<span style="display:none"><div>Hello</div></span>');
   await testWaiting(page, div => div.parentElement.style.display = 'block');
 });
+
 it('should wait for element to stop moving', async ({ page, server }) => {
   await page.setContent(`
     <style>
diff --git a/test/elementhandle-select-text.spec.js b/test/elementhandle-select-text.spec.js
index aad8c258fe..60a1af9094 100644
--- a/test/elementhandle-select-text.spec.js
+++ b/test/elementhandle-select-text.spec.js
@@ -30,6 +30,7 @@ it('should select textarea', async ({ page, server }) => {
     expect(await page.evaluate(() => window.getSelection().toString())).toBe('some value');
   }
 });
+
 it('should select input', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const input = await page.$('input');
@@ -42,12 +43,14 @@ it('should select input', async ({ page, server }) => {
     expect(await page.evaluate(() => window.getSelection().toString())).toBe('some value');
   }
 });
+
 it('should select plain div', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const div = await page.$('div.plain');
   await div.selectText();
   expect(await page.evaluate(() => window.getSelection().toString())).toBe('Plain div');
 });
+
 it('should timeout waiting for invisible element', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const textarea = await page.$('textarea');
@@ -55,6 +58,7 @@ it('should timeout waiting for invisible element', async ({ page, server }) => {
   const error = await textarea.selectText({ timeout: 3000 }).catch(e => e);
   expect(error.message).toContain('element is not visible');
 });
+
 it('should wait for visible', async ({ page, server }) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const textarea = await page.$('textarea');
diff --git a/test/elementhandle-type.spec.js b/test/elementhandle-type.spec.js
index a3e3384f1d..5b693d5bfb 100644
--- a/test/elementhandle-type.spec.js
+++ b/test/elementhandle-type.spec.js
@@ -23,11 +23,13 @@ it('should work', async ({ page }) => {
   await page.type('input', 'hello');
   expect(await page.$eval('input', input => input.value)).toBe('hello');
 });
+
 it('should not select existing value', async ({ page }) => {
   await page.setContent(`<input type='text' value='hello' />`);
   await page.type('input', 'world');
   expect(await page.$eval('input', input => input.value)).toBe('worldhello');
 });
+
 it('should reset selection when not focused', async ({ page }) => {
   await page.setContent(`<input type='text' value='hello' /><div tabIndex=2>text</div>`);
   await page.$eval('input', input => {
@@ -38,6 +40,7 @@ it('should reset selection when not focused', async ({ page }) => {
   await page.type('input', 'world');
   expect(await page.$eval('input', input => input.value)).toBe('worldhello');
 });
+
 it('should not modify selection when focused', async ({ page }) => {
   await page.setContent(`<input type='text' value='hello' />`);
   await page.$eval('input', input => {
@@ -48,6 +51,7 @@ it('should not modify selection when focused', async ({ page }) => {
   await page.type('input', 'world');
   expect(await page.$eval('input', input => input.value)).toBe('heworldo');
 });
+
 it('should work with number input', async ({ page }) => {
   await page.setContent(`<input type='number' value=2 />`);
   await page.type('input', '13');
diff --git a/test/eval-on-selector-all.spec.js b/test/eval-on-selector-all.spec.js
index d6506cf8d9..c16005569f 100644
--- a/test/eval-on-selector-all.spec.js
+++ b/test/eval-on-selector-all.spec.js
@@ -24,26 +24,31 @@ it('should work with css selector', async({page, server}) => {
   const divsCount = await page.$$eval('css=div', divs => divs.length);
   expect(divsCount).toBe(3);
 });
+
 it('should work with text selector', async({page, server}) => {
   await page.setContent('<div>hello</div><div>beautiful</div><div>beautiful</div><div>world!</div>');
   const divsCount = await page.$$eval('text="beautiful"', divs => divs.length);
   expect(divsCount).toBe(2);
 });
+
 it('should work with xpath selector', async({page, server}) => {
   await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
   const divsCount = await page.$$eval('xpath=/html/body/div', divs => divs.length);
   expect(divsCount).toBe(3);
 });
+
 it('should auto-detect css selector', async({page, server}) => {
   await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
   const divsCount = await page.$$eval('div', divs => divs.length);
   expect(divsCount).toBe(3);
 });
+
 it('should support >> syntax', async({page, server}) => {
   await page.setContent('<div><span>hello</span></div><div>beautiful</div><div><span>wo</span><span>rld!</span></div><span>Not this one</span>');
   const spansCount = await page.$$eval('css=div >> css=span', spans => spans.length);
   expect(spansCount).toBe(3);
 });
+
 it('should support * capture', async({page, server}) => {
   await page.setContent('<section><div><span>a</span></div></section><section><div><span>b</span></div></section>');
   expect(await page.$$eval('*css=div >> "b"', els => els.length)).toBe(1);
@@ -58,12 +63,14 @@ it('should support * capture', async({page, server}) => {
   expect(await page.$$eval('*css=div >> "a"', els => els.length)).toBe(3);
   expect(await page.$$eval('section >> *css=div >> "a"', els => els.length)).toBe(1);
 });
+
 it('should support * capture when multiple paths match', async({page, server}) => {
   await page.setContent('<div><div><span></span></div></div><div></div>');
   expect(await page.$$eval('*css=div >> span', els => els.length)).toBe(2);
   await page.setContent('<div><div><span></span></div><span></span><span></span></div><div></div>');
   expect(await page.$$eval('*css=div >> span', els => els.length)).toBe(2);
 });
+
 it('should return complex values', async({page, server}) => {
   await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
   const texts = await page.$$eval('css=div', divs => divs.map(div => div.textContent));
diff --git a/test/focus.spec.js b/test/focus.spec.js
index 2bbd509df7..a4dcf80068 100644
--- a/test/focus.spec.js
+++ b/test/focus.spec.js
@@ -22,6 +22,7 @@ it('should work', async function({page, server}) {
   await page.focus('#d1');
   expect(await page.evaluate(() => document.activeElement.id)).toBe('d1');
 });
+
 it('should emit focus event', async function({page, server}) {
   await page.setContent(`<div id=d1 tabIndex=0></div>`);
   let focused = false;
@@ -30,6 +31,7 @@ it('should emit focus event', async function({page, server}) {
   await page.focus('#d1');
   expect(focused).toBe(true);
 });
+
 it('should emit blur event', async function({page, server}) {
   await page.setContent(`<div id=d1 tabIndex=0>DIV1</div><div id=d2 tabIndex=0>DIV2</div>`);
   await page.focus('#d1');
@@ -43,6 +45,7 @@ it('should emit blur event', async function({page, server}) {
   expect(focused).toBe(true);
   expect(blurred).toBe(true);
 });
+
 it('should traverse focus', async function({page}) {
   await page.setContent(`<input id="i1"><input id="i2">`);
   let focused = false;
@@ -58,6 +61,7 @@ it('should traverse focus', async function({page}) {
   expect(await page.$eval('#i1', e => e.value)).toBe('First');
   expect(await page.$eval('#i2', e => e.value)).toBe('Last');
 });
+
 it('should traverse focus in all directions', async function({page}) {
   await page.setContent(`<input value="1"><input value="2"><input value="3">`);
   await page.keyboard.press('Tab');
diff --git a/test/frame-hierarcy.spec.js b/test/frame-hierarcy.spec.js
index da424f5b4e..f302c62fb9 100644
--- a/test/frame-hierarcy.spec.js
+++ b/test/frame-hierarcy.spec.js
@@ -28,6 +28,7 @@ it('should handle nested frames', async({page, server}) => {
     '        http://localhost:<PORT>/frames/frame.html (uno)',
   ]);
 });
+
 it('should send events when frames are manipulated dynamically', async({page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   // validate frameattached events
@@ -55,6 +56,7 @@ it('should send events when frames are manipulated dynamically', async({page, se
   expect(detachedFrames.length).toBe(1);
   expect(detachedFrames[0].isDetached()).toBe(true);
 });
+
 it('should send "framenavigated" when navigating on anchor URLs', async({page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   await Promise.all([
@@ -63,12 +65,14 @@ it('should send "framenavigated" when navigating on anchor URLs', async({page, s
   ]);
   expect(page.url()).toBe(server.EMPTY_PAGE + '#foo');
 });
+
 it('should persist mainFrame on cross-process navigation', async({page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   const mainFrame = page.mainFrame();
   await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
   expect(page.mainFrame() === mainFrame).toBeTruthy();
 });
+
 it('should not send attach/detach events for main frame', async({page, server}) => {
   let hasEvents = false;
   page.on('frameattached', frame => hasEvents = true);
@@ -76,6 +80,7 @@ it('should not send attach/detach events for main frame', async({page, server})
   await page.goto(server.EMPTY_PAGE);
   expect(hasEvents).toBe(false);
 });
+
 it('should detach child frames on navigation', async({page, server}) => {
   let attachedFrames = [];
   let detachedFrames = [];
@@ -96,6 +101,7 @@ it('should detach child frames on navigation', async({page, server}) => {
   expect(detachedFrames.length).toBe(4);
   expect(navigatedFrames.length).toBe(1);
 });
+
 it('should support framesets', async({page, server}) => {
   let attachedFrames = [];
   let detachedFrames = [];
@@ -116,6 +122,7 @@ it('should support framesets', async({page, server}) => {
   expect(detachedFrames.length).toBe(4);
   expect(navigatedFrames.length).toBe(1);
 });
+
 it('should report frame from-inside shadow DOM', async({page, server}) => {
   await page.goto(server.PREFIX + '/shadow.html');
   await page.evaluate(async url => {
@@ -127,6 +134,7 @@ it('should report frame from-inside shadow DOM', async({page, server}) => {
   expect(page.frames().length).toBe(2);
   expect(page.frames()[1].url()).toBe(server.EMPTY_PAGE);
 });
+
 it('should report frame.name()', async({page, server}) => {
   await utils.attachFrame(page, 'theFrameId', server.EMPTY_PAGE);
   await page.evaluate(url => {
@@ -140,6 +148,7 @@ it('should report frame.name()', async({page, server}) => {
   expect(page.frames()[1].name()).toBe('theFrameId');
   expect(page.frames()[2].name()).toBe('theFrameName');
 });
+
 it('should report frame.parent()', async({page, server}) => {
   await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
   await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE);
@@ -147,6 +156,7 @@ it('should report frame.parent()', async({page, server}) => {
   expect(page.frames()[1].parentFrame()).toBe(page.mainFrame());
   expect(page.frames()[2].parentFrame()).toBe(page.mainFrame());
 });
+
 it('should report different frame instance when frame re-attaches', async({page, server}) => {
   const frame1 = await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
   await page.evaluate(() => {
@@ -161,6 +171,7 @@ it('should report different frame instance when frame re-attaches', async({page,
   expect(frame2.isDetached()).toBe(false);
   expect(frame1).not.toBe(frame2);
 });
+
 it.fail(FFOX)('should refuse to display x-frame-options:deny iframe', async({page, server}) => {
   server.setRoute('/x-frame-options-deny.html', async (req, res) => {
     res.setHeader('Content-Type', 'text/html');
diff --git a/test/geolocation.spec.js b/test/geolocation.spec.js
index f598f68403..7559caa8bc 100644
--- a/test/geolocation.spec.js
+++ b/test/geolocation.spec.js
@@ -29,6 +29,7 @@ it('should work', async({page, server, context}) => {
     longitude: 10
   });
 });
+
 it('should throw when invalid longitude', async({context}) => {
   let error = null;
   try {
@@ -38,6 +39,7 @@ it('should throw when invalid longitude', async({context}) => {
   }
   expect(error.message).toContain('geolocation.longitude: precondition -180 <= LONGITUDE <= 180 failed.');
 });
+
 it('should isolate contexts', async({page, server, context, browser}) => {
   await context.grantPermissions(['geolocation']);
   await context.setGeolocation({longitude: 10, latitude: 10});
@@ -68,6 +70,7 @@ it('should isolate contexts', async({page, server, context, browser}) => {
 
   await context2.close();
 });
+
 it('should throw with missing latitude', async({context}) => {
   let error = null;
   try {
@@ -77,6 +80,7 @@ it('should throw with missing latitude', async({context}) => {
   }
   expect(error.message).toContain('geolocation.latitude: expected number, got undefined');
 });
+
 it('should not modify passed default options object', async({browser}) => {
   const geolocation = { longitude: 10, latitude: 10 };
   const options = { geolocation };
@@ -85,6 +89,7 @@ it('should not modify passed default options object', async({browser}) => {
   expect(options.geolocation).toBe(geolocation);
   await context.close();
 });
+
 it('should throw with missing longitude in default options', async({browser}) => {
   let error = null;
   try {
@@ -95,6 +100,7 @@ it('should throw with missing longitude in default options', async({browser}) =>
   }
   expect(error.message).toContain('geolocation.longitude: expected number, got undefined');
 });
+
 it('should use context options', async({browser, server}) => {
   const options = { geolocation: { longitude: 10, latitude: 10 }, permissions: ['geolocation'] };
   const context = await browser.newContext(options);
@@ -110,6 +116,7 @@ it('should use context options', async({browser, server}) => {
   });
   await context.close();
 });
+
 it('watchPosition should be notified', async({page, server, context}) => {
   await context.grantPermissions(['geolocation']);
   await page.goto(server.EMPTY_PAGE);
@@ -135,6 +142,7 @@ it('watchPosition should be notified', async({page, server, context}) => {
   expect(allMessages).toContain('lat=20 lng=30');
   expect(allMessages).toContain('lat=40 lng=50');
 });
+
 it('should use context options for popup', async({page, context, server}) => {
   await context.grantPermissions(['geolocation']);
   await context.setGeolocation({ longitude: 10, latitude: 10 });
diff --git a/test/headful.spec.js b/test/headful.spec.js
index 8a2d3b06eb..5540e9ab6c 100644
--- a/test/headful.spec.js
+++ b/test/headful.spec.js
@@ -26,6 +26,7 @@ it('should have default url when launching browser', async ({browserType, defaul
   await browserContext.close();
   await removeUserDataDir(userDataDir);
 });
+
 it.fail(WIN && CHROMIUM).slow()('headless should be able to read cookies written by headful', async({browserType, defaultBrowserOptions, server}) => {
   // see https://github.com/microsoft/playwright/issues/717
   const userDataDir = await makeUserDataDir();
@@ -45,6 +46,7 @@ it.fail(WIN && CHROMIUM).slow()('headless should be able to read cookies written
   await removeUserDataDir(userDataDir);
   expect(cookie).toBe('foo=true');
 });
+
 it.slow()('should close browser with beforeunload page', async({browserType, defaultBrowserOptions, server}) => {
   const userDataDir = await makeUserDataDir();
   const browserContext = await browserType.launchPersistentContext(userDataDir, {...defaultBrowserOptions, headless: false});
@@ -56,6 +58,7 @@ it.slow()('should close browser with beforeunload page', async({browserType, def
   await browserContext.close();
   await removeUserDataDir(userDataDir);
 });
+
 it('should not crash when creating second context', async ({browserType, defaultBrowserOptions, server}) => {
   const browser = await browserType.launch({...defaultBrowserOptions, headless: false });
   {
@@ -70,6 +73,7 @@ it('should not crash when creating second context', async ({browserType, default
   }
   await browser.close();
 });
+
 it('should click background tab', async({browserType, defaultBrowserOptions, server}) => {
   const browser = await browserType.launch({...defaultBrowserOptions, headless: false });
   const page = await browser.newPage();
@@ -78,6 +82,7 @@ it('should click background tab', async({browserType, defaultBrowserOptions, ser
   await page.click('button');
   await browser.close();
 });
+
 it('should close browser after context menu was triggered', async({browserType, defaultBrowserOptions, server}) => {
   const browser = await browserType.launch({...defaultBrowserOptions, headless: false });
   const page = await browser.newPage();
@@ -85,6 +90,7 @@ it('should close browser after context menu was triggered', async({browserType,
   await page.click('body', {button: 'right'});
   await browser.close();
 });
+
 it('should(not) block third party cookies', async({browserType, defaultBrowserOptions, server}) => {
   const browser = await browserType.launch({...defaultBrowserOptions, headless: false });
   const page = await browser.newPage();
@@ -124,6 +130,7 @@ it('should(not) block third party cookies', async({browserType, defaultBrowserOp
   }
   await browser.close();
 });
+
 it.fail(WEBKIT)('should not override viewport size when passed null', async function({browserType, defaultBrowserOptions, server}) {
   // Our WebKit embedder does not respect window features.
   const browser = await browserType.launch({...defaultBrowserOptions, headless: false });
@@ -142,6 +149,7 @@ it.fail(WEBKIT)('should not override viewport size when passed null', async func
   await context.close();
   await browser.close();
 });
+
 it('Page.bringToFront should work', async ({browserType, defaultBrowserOptions}) => {
   const browser = await browserType.launch({...defaultBrowserOptions, headless: false });
   const page1 = await browser.newPage();
diff --git a/test/ignorehttpserrors.spec.js b/test/ignorehttpserrors.spec.js
index 9e0bf70a47..e875d43dac 100644
--- a/test/ignorehttpserrors.spec.js
+++ b/test/ignorehttpserrors.spec.js
@@ -26,6 +26,7 @@ it('should work', async({browser, httpsServer}) => {
   expect(response.ok()).toBe(true);
   await context.close();
 });
+
 it('should isolate contexts', async({browser, httpsServer}) => {
   {
     let error = null;
@@ -45,6 +46,7 @@ it('should isolate contexts', async({browser, httpsServer}) => {
     await context.close();
   }
 });
+
 it('should work with mixed content', async({browser, server, httpsServer}) => {
   httpsServer.setRoute('/mixedcontent.html', (req, res) => {
     res.end(`<iframe src=${server.EMPTY_PAGE}></iframe>`);
@@ -59,6 +61,7 @@ it('should work with mixed content', async({browser, server, httpsServer}) => {
   expect(await page.frames()[1].evaluate('2 + 3')).toBe(5);
   await context.close();
 });
+
 it('should work with WebSocket', async({browser, httpsServer}) => {
   const context = await browser.newContext({ ignoreHTTPSErrors: true });
   const page = await context.newPage();
@@ -73,6 +76,7 @@ it('should work with WebSocket', async({browser, httpsServer}) => {
   expect(value).toBe('incoming');
   await context.close();
 });
+
 it('should fail with WebSocket if not ignored', async({browser, httpsServer}) => {
   const context = await browser.newContext();
   const page = await context.newPage();
diff --git a/test/keyboard.spec.js b/test/keyboard.spec.js
index b2063c42ff..f315f06d71 100644
--- a/test/keyboard.spec.js
+++ b/test/keyboard.spec.js
@@ -29,6 +29,7 @@ it('should type into a textarea', async ({page, server}) => {
   await page.keyboard.type(text);
   expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe(text);
 });
+
 it('should move with the arrow keys', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   await page.type('textarea', 'Hello World!');
@@ -44,6 +45,7 @@ it('should move with the arrow keys', async ({page, server}) => {
   await page.keyboard.press('Backspace');
   expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('Hello World!');
 });
+
 it('should send a character with ElementHandle.press', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const textarea = await page.$('textarea');
@@ -55,6 +57,7 @@ it('should send a character with ElementHandle.press', async ({page, server}) =>
   await textarea.press('b');
   expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('a');
 });
+
 it('should send a character with sendCharacter', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   await page.focus('textarea');
@@ -64,6 +67,7 @@ it('should send a character with sendCharacter', async ({page, server}) => {
   await page.keyboard.insertText('a');
   expect(await page.evaluate(() => document.querySelector('textarea').value)).toBe('嗨a');
 });
+
 it('insertText should only emit input event', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   await page.focus('textarea');
@@ -79,6 +83,7 @@ it('insertText should only emit input event', async ({page, server}) => {
   await page.keyboard.insertText('hello world');
   expect(await events.jsonValue()).toEqual(['input']);
 });
+
 it.fail(FFOX && MAC)('should report shiftKey', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   const keyboard = page.keyboard;
@@ -99,6 +104,7 @@ it.fail(FFOX && MAC)('should report shiftKey', async ({page, server}) => {
     expect(await page.evaluate(() => getResult())).toBe('Keyup: ' + modifierKey + ' ' + modifierKey + 'Left ' + codeForKey[modifierKey] + ' []');
   }
 });
+
 it('should report multiple modifiers', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   const keyboard = page.keyboard;
@@ -115,6 +121,7 @@ it('should report multiple modifiers', async ({page, server}) => {
   await keyboard.up('Alt');
   expect(await page.evaluate(() => getResult())).toBe('Keyup: Alt AltLeft 18 []');
 });
+
 it('should send proper codes while typing', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   await page.keyboard.type('!');
@@ -128,6 +135,7 @@ it('should send proper codes while typing', async ({page, server}) => {
         'Keypress: ^ Digit6 94 94 []',
         'Keyup: ^ Digit6 54 []'].join('\n'));
 });
+
 it('should send proper codes while typing with shift', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   const keyboard = page.keyboard;
@@ -140,6 +148,7 @@ it('should send proper codes while typing with shift', async ({page, server}) =>
         'Keyup: ~ Backquote 192 [Shift]'].join('\n'));
   await keyboard.up('Shift');
 });
+
 it('should not type canceled events', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   await page.focus('textarea');
@@ -156,6 +165,7 @@ it('should not type canceled events', async ({page, server}) => {
   await page.keyboard.type('Hello World!');
   expect(await page.$eval('textarea', textarea => textarea.value)).toBe('He Wrd!');
 });
+
 it('should press plus', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   await page.keyboard.press('+');
@@ -164,6 +174,7 @@ it('should press plus', async ({page, server}) => {
         'Keypress: + Equal 43 43 []', // 126 is ~ charCode
         'Keyup: + Equal 187 []'].join('\n'));
 });
+
 it('should press shift plus', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   await page.keyboard.press('Shift++');
@@ -174,6 +185,7 @@ it('should press shift plus', async ({page, server}) => {
         'Keyup: + Equal 187 [Shift]',
         'Keyup: Shift ShiftLeft 16 []'].join('\n'));
 });
+
 it('should support plus-separated modifiers', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   await page.keyboard.press('Shift+~');
@@ -184,6 +196,7 @@ it('should support plus-separated modifiers', async ({page, server}) => {
         'Keyup: ~ Backquote 192 [Shift]',
         'Keyup: Shift ShiftLeft 16 []'].join('\n'));
 });
+
 it('should support multiple plus-separated modifiers', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   await page.keyboard.press('Control+Shift+~');
@@ -195,6 +208,7 @@ it('should support multiple plus-separated modifiers', async ({page, server}) =>
         'Keyup: Shift ShiftLeft 16 [Control]',
         'Keyup: Control ControlLeft 17 []'].join('\n'));
 });
+
 it('should shift raw codes', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/keyboard.html');
   await page.keyboard.press('Shift+Digit3');
@@ -205,6 +219,7 @@ it('should shift raw codes', async ({page, server}) => {
         'Keyup: # Digit3 51 [Shift]',
         'Keyup: Shift ShiftLeft 16 []'].join('\n'));
 });
+
 it('should specify repeat property', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   await page.focus('textarea');
@@ -223,6 +238,7 @@ it('should specify repeat property', async ({page, server}) => {
   await page.keyboard.down('a');
   expect(await lastEvent.evaluate(e => e.repeat)).toBe(false);
 });
+
 it('should type all kinds of characters', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   await page.focus('textarea');
@@ -230,6 +246,7 @@ it('should type all kinds of characters', async ({page, server}) => {
   await page.keyboard.type(text);
   expect(await page.$eval('textarea', t => t.value)).toBe(text);
 });
+
 it('should specify location', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const lastEvent = await captureLastKeydown(page);
@@ -247,6 +264,7 @@ it('should specify location', async ({page, server}) => {
   await textarea.press('NumpadSubtract');
   expect(await lastEvent.evaluate(e => e.location)).toBe(3);
 });
+
 it('should press Enter', async ({page, server}) => {
   await page.setContent('<textarea></textarea>');
   await page.focus('textarea');
@@ -266,6 +284,7 @@ it('should press Enter', async ({page, server}) => {
     await page.$eval('textarea', t => t.value = '');
   }
 });
+
 it('should throw on unknown keys', async ({page, server}) => {
   let error = await page.keyboard.press('NotARealKey').catch(e => e);
   expect(error.message).toBe('Unknown key: "NotARealKey"');
@@ -276,11 +295,13 @@ it('should throw on unknown keys', async ({page, server}) => {
   error = await page.keyboard.press('😊').catch(e => e);
   expect(error && error.message).toBe('Unknown key: "😊"');
 });
+
 it('should type emoji', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   await page.type('textarea', '👹 Tokyo street Japan 🇯🇵');
   expect(await page.$eval('textarea', textarea => textarea.value)).toBe('👹 Tokyo street Japan 🇯🇵');
 });
+
 it('should type emoji into an iframe', async ({page, server}) => {
   await page.goto(server.EMPTY_PAGE);
   await utils.attachFrame(page, 'emoji-test', server.PREFIX + '/input/textarea.html');
@@ -289,6 +310,7 @@ it('should type emoji into an iframe', async ({page, server}) => {
   await textarea.type('👹 Tokyo street Japan 🇯🇵');
   expect(await frame.$eval('textarea', textarea => textarea.value)).toBe('👹 Tokyo street Japan 🇯🇵');
 });
+
 it('should handle selectAll', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const textarea = await page.$('textarea');
@@ -300,6 +322,7 @@ it('should handle selectAll', async ({page, server}) => {
   await page.keyboard.press('Backspace');
   expect(await page.$eval('textarea', textarea => textarea.value)).toBe('');
 });
+
 it('should be able to prevent selectAll', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const textarea = await page.$('textarea');
@@ -317,6 +340,7 @@ it('should be able to prevent selectAll', async ({page, server}) => {
   await page.keyboard.press('Backspace');
   expect(await page.$eval('textarea', textarea => textarea.value)).toBe('some tex');
 });
+
 it.skip(!MAC)('should support MacOS shortcuts', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/textarea.html');
   const textarea = await page.$('textarea');
@@ -326,6 +350,7 @@ it.skip(!MAC)('should support MacOS shortcuts', async ({page, server}) => {
   await page.keyboard.press('Backspace');
   expect(await page.$eval('textarea', textarea => textarea.value)).toBe('some ');
 });
+
 it('should press the meta key', async ({page}) => {
   const lastEvent = await captureLastKeydown(page);
   await page.keyboard.press('Meta');
@@ -346,6 +371,7 @@ it('should press the meta key', async ({page}) => {
     expect(metaKey).toBe(true);
 
 });
+
 it('should work after a cross origin navigation', async ({page, server}) => {
   await page.goto(server.PREFIX + '/empty.html');
   await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
@@ -374,6 +400,7 @@ it.skip(!WEBKIT)('should expose keyIdentifier in webkit', async ({page, server})
     expect(await lastEvent.evaluate(e => e.keyIdentifier)).toBe(keyIdentifier);
   }
 });
+
 it('should scroll with PageDown', async ({page, server}) => {
   await page.goto(server.PREFIX + '/input/scrollable.html');
   // A click is required for WebKit to send the event into the body.
diff --git a/test/logger.spec.js b/test/logger.spec.js
index cbd4de5ebe..0cc55dd724 100644
--- a/test/logger.spec.js
+++ b/test/logger.spec.js
@@ -31,6 +31,7 @@ it('should log', async({browserType, defaultBrowserOptions}) => {
   expect(log.filter(item => item.message.includes('browserType.launch started')).length > 0).toBeTruthy();
   expect(log.filter(item => item.message.includes('browserType.launch succeeded')).length > 0).toBeTruthy();
 });
+
 it('should log context-level', async({browserType, defaultBrowserOptions}) => {
   const log = [];
   const browser = await browserType.launch(defaultBrowserOptions);
diff --git a/test/page-add-init-script.spec.js b/test/page-add-init-script.spec.js
index 24aa0b143c..3694cd53c6 100644
--- a/test/page-add-init-script.spec.js
+++ b/test/page-add-init-script.spec.js
@@ -26,20 +26,24 @@ it('should evaluate before anything else on the page', async ({ page, server })
   await page.goto(server.PREFIX + '/tamperable.html');
   expect(await page.evaluate(() => window.result)).toBe(123);
 });
+
 it('should work with a path', async ({ page, server }) => {
   await page.addInitScript({ path: path.join(__dirname, 'assets/injectedfile.js') });
   await page.goto(server.PREFIX + '/tamperable.html');
   expect(await page.evaluate(() => window.result)).toBe(123);
 });
+
 it('should work with content', async ({ page, server }) => {
   await page.addInitScript({ content: 'window.injected = 123' });
   await page.goto(server.PREFIX + '/tamperable.html');
   expect(await page.evaluate(() => window.result)).toBe(123);
 });
+
 it('should throw without path and content', async ({ page, server }) => {
   const error = await page.addInitScript({ foo: 'bar' }).catch(e => e);
   expect(error.message).toContain('Either path or content property must be present');
 });
+
 it('should work with browser context scripts', async ({ browser, server }) => {
   const context = await browser.newContext();
   await context.addInitScript(() => window.temp = 123);
@@ -49,6 +53,7 @@ it('should work with browser context scripts', async ({ browser, server }) => {
   expect(await page.evaluate(() => window.result)).toBe(123);
   await context.close();
 });
+
 it('should work with browser context scripts with a path', async ({ browser, server }) => {
   const context = await browser.newContext();
   await context.addInitScript({ path: path.join(__dirname, 'assets/injectedfile.js') });
@@ -57,6 +62,7 @@ it('should work with browser context scripts with a path', async ({ browser, ser
   expect(await page.evaluate(() => window.result)).toBe(123);
   await context.close();
 });
+
 it('should work with browser context scripts for already created pages', async ({ browser, server }) => {
   const context = await browser.newContext();
   const page = await context.newPage();
@@ -66,6 +72,7 @@ it('should work with browser context scripts for already created pages', async (
   expect(await page.evaluate(() => window.result)).toBe(123);
   await context.close();
 });
+
 it('should support multiple scripts', async ({ page, server }) => {
   await page.addInitScript(function () {
     window.script1 = 1;
@@ -77,6 +84,7 @@ it('should support multiple scripts', async ({ page, server }) => {
   expect(await page.evaluate(() => window.script1)).toBe(1);
   expect(await page.evaluate(() => window.script2)).toBe(2);
 });
+
 it('should work with CSP', async ({ page, server }) => {
   server.setCSP('/empty.html', 'script-src ' + server.PREFIX);
   await page.addInitScript(function () {
@@ -89,6 +97,7 @@ it('should work with CSP', async ({ page, server }) => {
   await page.addScriptTag({ content: 'window.e = 10;' }).catch(e => void e);
   expect(await page.evaluate(() => window.e)).toBe(undefined);
 });
+
 it('should work after a cross origin navigation', async ({ page, server }) => {
   await page.goto(server.CROSS_PROCESS_PREFIX);
   await page.addInitScript(function () {
diff --git a/test/workers.spec.js b/test/workers.spec.js
index d29bcdd39f..3fe74d32c1 100644
--- a/test/workers.spec.js
+++ b/test/workers.spec.js
@@ -29,6 +29,7 @@ it('Page.workers', async function({page, server}) {
   await page.goto(server.EMPTY_PAGE);
   expect(page.workers().length).toBe(0);
 });
+
 it('should emit created and destroyed events', async function({page}) {
   const workerCreatedPromise = page.waitForEvent('worker');
   const workerObj = await page.evaluateHandle(() => new Worker(URL.createObjectURL(new Blob(['1'], {type: 'application/javascript'}))));
@@ -40,6 +41,7 @@ it('should emit created and destroyed events', async function({page}) {
   const error = await workerThisObj.getProperty('self').catch(error => error);
   expect(error.message).toContain('Most likely the worker has been closed.');
 });
+
 it('should report console logs', async function({page}) {
   const [message] = await Promise.all([
     page.waitForEvent('console'),
@@ -47,6 +49,7 @@ it('should report console logs', async function({page}) {
   ]);
   expect(message.text()).toBe('1');
 });
+
 it('should have JSHandles for console logs', async function({page}) {
   const logPromise = new Promise(x => page.on('console', x));
   await page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1,2,3,this)'], {type: 'application/javascript'}))));
@@ -55,12 +58,14 @@ it('should have JSHandles for console logs', async function({page}) {
   expect(log.args().length).toBe(4);
   expect(await (await log.args()[3].getProperty('origin')).jsonValue()).toBe('null');
 });
+
 it('should evaluate', async function({page}) {
   const workerCreatedPromise = page.waitForEvent('worker');
   await page.evaluate(() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'}))));
   const worker = await workerCreatedPromise;
   expect(await worker.evaluate('1+1')).toBe(2);
 });
+
 it('should report errors', async function({page}) {
   const errorPromise = new Promise(x => page.on('pageerror', x));
   await page.evaluate(() => new Worker(URL.createObjectURL(new Blob([`
@@ -73,6 +78,7 @@ it('should report errors', async function({page}) {
   const errorLog = await errorPromise;
   expect(errorLog.message).toContain('this is my error');
 });
+
 it('should clear upon navigation', async function({server, page}) {
   await page.goto(server.EMPTY_PAGE);
   const workerCreatedPromise = page.waitForEvent('worker');
@@ -85,6 +91,7 @@ it('should clear upon navigation', async function({server, page}) {
   expect(destroyed).toBe(true);
   expect(page.workers().length).toBe(0);
 });
+
 it('should clear upon cross-process navigation', async function({server, page}) {
   await page.goto(server.EMPTY_PAGE);
   const workerCreatedPromise = page.waitForEvent('worker');
@@ -97,6 +104,7 @@ it('should clear upon cross-process navigation', async function({server, page})
   expect(destroyed).toBe(true);
   expect(page.workers().length).toBe(0);
 });
+
 it('should report network activity', async function({page, server}) {
   const [worker] = await Promise.all([
     page.waitForEvent('worker'),
@@ -112,6 +120,7 @@ it('should report network activity', async function({page, server}) {
   expect(response.request()).toBe(request);
   expect(response.ok()).toBe(true);
 });
+
 it('should report network activity on worker creation', async function({page, server}) {
   // Chromium needs waitForDebugger enabled for this one.
   await page.goto(server.EMPTY_PAGE);
@@ -127,6 +136,7 @@ it('should report network activity on worker creation', async function({page, se
   expect(response.request()).toBe(request);
   expect(response.ok()).toBe(true);
 });
+
 it('should format number using context locale', async({browser, server}) => {
   const context = await browser.newContext({ locale: 'ru-RU' });
   const page = await context.newPage();