diff --git a/test/network.spec.js b/test/network.spec.js
index 30885f9a112..45b7557e4b9 100644
--- a/test/network.spec.js
+++ b/test/network.spec.js
@@ -14,7 +14,9 @@
  * limitations under the License.
  */
 
-const {waitEvent} = require('./utils');
+const fs = require('fs');
+const path = require('path');
+const utils = require('./utils');
 
 module.exports.addTests = function({testRunner, expect}) {
   const {describe, xdescribe, fdescribe} = testRunner;
@@ -121,7 +123,7 @@ module.exports.addTests = function({testRunner, expect}) {
       // send request and wait for server response
       await Promise.all([
         page.evaluate(() => fetch('./get', { method: 'GET'})),
-        waitEvent(page, 'response')
+        utils.waitEvent(page, 'response')
       ]);
 
       expect(serverResponse).toBeTruthy();
@@ -196,4 +198,380 @@ module.exports.addTests = function({testRunner, expect}) {
       expect(redirectChain[0].url()).toContain('/foo.html');
     });
   });
+
+  describe('Page.setRequestInterception', function() {
+    it('should intercept', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        expect(request.url()).toContain('empty.html');
+        expect(request.headers()['user-agent']).toBeTruthy();
+        expect(request.method()).toBe('GET');
+        expect(request.postData()).toBe(undefined);
+        expect(request.resourceType()).toBe('document');
+        expect(request.frame() === page.mainFrame()).toBe(true);
+        expect(request.frame().url()).toBe('about:blank');
+        request.continue();
+      });
+      const response = await page.goto(server.EMPTY_PAGE);
+      expect(response.ok()).toBe(true);
+    });
+    it('should stop intercepting', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.once('request', request => request.continue());
+      await page.goto(server.EMPTY_PAGE);
+      await page.setRequestInterception(false);
+      await page.goto(server.EMPTY_PAGE);
+    });
+    it('should show custom HTTP headers', async({page, server}) => {
+      await page.setExtraHTTPHeaders({
+        foo: 'bar'
+      });
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        expect(request.headers()['foo']).toBe('bar');
+        request.continue();
+      });
+      const response = await page.goto(server.EMPTY_PAGE);
+      expect(response.ok()).toBe(true);
+    });
+    it('should works with customizing referer headers', async({page, server}) => {
+      await page.setExtraHTTPHeaders({ 'referer': server.EMPTY_PAGE });
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        expect(request.headers()['referer']).toBe(server.EMPTY_PAGE);
+        request.continue();
+      });
+      const response = await page.goto(server.EMPTY_PAGE);
+      expect(response.ok()).toBe(true);
+    });
+    it('should be abortable', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        if (request.url().endsWith('.css'))
+          request.abort();
+        else
+          request.continue();
+      });
+      let failedRequests = 0;
+      page.on('requestfailed', event => ++failedRequests);
+      const response = await page.goto(server.PREFIX + '/one-style.html');
+      expect(response.ok()).toBe(true);
+      expect(response.request().failure()).toBe(null);
+      expect(failedRequests).toBe(1);
+    });
+    it('should be abortable with custom error codes', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        request.abort('internetdisconnected');
+      });
+      let failedRequest = null;
+      page.on('requestfailed', request => failedRequest = request);
+      await page.goto(server.EMPTY_PAGE).catch(e => {});
+      expect(failedRequest).toBeTruthy();
+      expect(failedRequest.failure().errorText).toBe('net::ERR_INTERNET_DISCONNECTED');
+    });
+    it('should send referer', async({page, server}) => {
+      await page.setExtraHTTPHeaders({
+        referer: 'http://google.com/'
+      });
+      await page.setRequestInterception(true);
+      page.on('request', request => request.continue());
+      const [request] = await Promise.all([
+        server.waitForRequest('/grid.html'),
+        page.goto(server.PREFIX + '/grid.html'),
+      ]);
+      expect(request.headers['referer']).toBe('http://google.com/');
+    });
+    it('should amend HTTP headers', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        const headers = Object.assign({}, request.headers());
+        headers['FOO'] = 'bar';
+        request.continue({ headers });
+      });
+      await page.goto(server.EMPTY_PAGE);
+      const [request] = await Promise.all([
+        server.waitForRequest('/sleep.zzz'),
+        page.evaluate(() => fetch('/sleep.zzz'))
+      ]);
+      expect(request.headers['foo']).toBe('bar');
+    });
+    it('should fail navigation when aborting main resource', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => request.abort());
+      let error = null;
+      await page.goto(server.EMPTY_PAGE).catch(e => error = e);
+      expect(error).toBeTruthy();
+      expect(error.message).toContain('net::ERR_FAILED');
+    });
+    it('should work with redirects', async({page, server}) => {
+      await page.setRequestInterception(true);
+      const requests = [];
+      page.on('request', request => {
+        request.continue();
+        requests.push(request);
+      });
+      server.setRedirect('/non-existing-page.html', '/non-existing-page-2.html');
+      server.setRedirect('/non-existing-page-2.html', '/non-existing-page-3.html');
+      server.setRedirect('/non-existing-page-3.html', '/non-existing-page-4.html');
+      server.setRedirect('/non-existing-page-4.html', '/empty.html');
+      const response = await page.goto(server.PREFIX + '/non-existing-page.html');
+      expect(response.status()).toBe(200);
+      expect(response.url()).toContain('empty.html');
+      expect(requests.length).toBe(5);
+      expect(requests[2].resourceType()).toBe('document');
+      // Check redirect chain
+      const redirectChain = response.request().redirectChain();
+      expect(redirectChain.length).toBe(4);
+      expect(redirectChain[0].url()).toContain('/non-existing-page.html');
+      expect(redirectChain[2].url()).toContain('/non-existing-page-3.html');
+      for (let i = 0; i < redirectChain.length; ++i) {
+        const request = redirectChain[i];
+        expect(request.redirectChain().indexOf(request)).toBe(i);
+      }
+    });
+    it('should be able to abort redirects', async({page, server}) => {
+      await page.setRequestInterception(true);
+      server.setRedirect('/non-existing.json', '/non-existing-2.json');
+      server.setRedirect('/non-existing-2.json', '/simple.html');
+      page.on('request', request => {
+        if (request.url().includes('non-existing-2'))
+          request.abort();
+        else
+          request.continue();
+      });
+      await page.goto(server.EMPTY_PAGE);
+      const result = await page.evaluate(async() => {
+        try {
+          await fetch('/non-existing.json');
+        } catch (e) {
+          return e.message;
+        }
+      });
+      expect(result).toContain('Failed to fetch');
+    });
+    it('should work with equal requests', async({page, server}) => {
+      await page.goto(server.EMPTY_PAGE);
+      let responseCount = 1;
+      server.setRoute('/zzz', (req, res) => res.end((responseCount++) * 11 + ''));
+      await page.setRequestInterception(true);
+
+      let spinner = false;
+      // Cancel 2nd request.
+      page.on('request', request => {
+        spinner ? request.abort() : request.continue();
+        spinner = !spinner;
+      });
+      const results = await page.evaluate(() => Promise.all([
+        fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
+        fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
+        fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
+      ]));
+      expect(results).toEqual(['11', 'FAILED', '22']);
+    });
+    it('should navigate to dataURL and fire dataURL requests', async({page, server}) => {
+      await page.setRequestInterception(true);
+      const requests = [];
+      page.on('request', request => {
+        requests.push(request);
+        request.continue();
+      });
+      const dataURL = 'data:text/html,<div>yo</div>';
+      const response = await page.goto(dataURL);
+      expect(response.status()).toBe(200);
+      expect(requests.length).toBe(1);
+      expect(requests[0].url()).toBe(dataURL);
+    });
+    it('should abort data server', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        request.abort();
+      });
+      let error = null;
+      await page.goto('data:text/html,No way!').catch(err => error = err);
+      expect(error.message).toContain('net::ERR_FAILED');
+    });
+    it('should navigate to URL with hash and and fire requests without hash', async({page, server}) => {
+      await page.setRequestInterception(true);
+      const requests = [];
+      page.on('request', request => {
+        requests.push(request);
+        request.continue();
+      });
+      const response = await page.goto(server.EMPTY_PAGE + '#hash');
+      expect(response.status()).toBe(200);
+      expect(response.url()).toBe(server.EMPTY_PAGE);
+      expect(requests.length).toBe(1);
+      expect(requests[0].url()).toBe(server.EMPTY_PAGE);
+    });
+    it('should work with encoded server', async({page, server}) => {
+      // The requestWillBeSent will report encoded URL, whereas interception will
+      // report URL as-is. @see crbug.com/759388
+      await page.setRequestInterception(true);
+      page.on('request', request => request.continue());
+      const response = await page.goto(server.PREFIX + '/some nonexisting page');
+      expect(response.status()).toBe(404);
+    });
+    it('should work with badly encoded server', async({page, server}) => {
+      await page.setRequestInterception(true);
+      server.setRoute('/malformed?rnd=%911', (req, res) => res.end());
+      page.on('request', request => request.continue());
+      const response = await page.goto(server.PREFIX + '/malformed?rnd=%911');
+      expect(response.status()).toBe(200);
+    });
+    it('should work with encoded server - 2', async({page, server}) => {
+      // The requestWillBeSent will report URL as-is, whereas interception will
+      // report encoded URL for stylesheet. @see crbug.com/759388
+      await page.setRequestInterception(true);
+      const requests = [];
+      page.on('request', request => {
+        request.continue();
+        requests.push(request);
+      });
+      const response = await page.goto(`data:text/html,<link rel="stylesheet" href="${server.PREFIX}/fonts?helvetica|arial"/>`);
+      expect(response.status()).toBe(200);
+      expect(requests.length).toBe(2);
+      expect(requests[1].response().status()).toBe(404);
+    });
+    it('should not throw "Invalid Interception Id" if the request was cancelled', async({page, server}) => {
+      await page.setContent('<iframe></iframe>');
+      await page.setRequestInterception(true);
+      let request = null;
+      page.on('request', async r => request = r);
+      page.$eval('iframe', (frame, url) => frame.src = url, server.EMPTY_PAGE),
+      // Wait for request interception.
+      await utils.waitEvent(page, 'request');
+      // Delete frame to cause request to be canceled.
+      await page.$eval('iframe', frame => frame.remove());
+      let error = null;
+      await request.continue().catch(e => error = e);
+      expect(error).toBe(null);
+    });
+    it('should throw if interception is not enabled', async({page, server}) => {
+      let error = null;
+      page.on('request', async request => {
+        try {
+          await request.continue();
+        } catch (e) {
+          error = e;
+        }
+      });
+      await page.goto(server.EMPTY_PAGE);
+      expect(error.message).toContain('Request Interception is not enabled');
+    });
+  });
+
+  describe('Request.respond', function() {
+    it('should work', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        request.respond({
+          status: 201,
+          headers: {
+            foo: 'bar'
+          },
+          body: 'Yo, page!'
+        });
+      });
+      const response = await page.goto(server.EMPTY_PAGE);
+      expect(response.status()).toBe(201);
+      expect(response.headers().foo).toBe('bar');
+      expect(await page.evaluate(() => document.body.textContent)).toBe('Yo, page!');
+    });
+    it('should allow mocking binary responses', async({page, server}) => {
+      await page.setRequestInterception(true);
+      page.on('request', request => {
+        const imageBuffer = fs.readFileSync(path.join(__dirname, 'assets', 'pptr.png'));
+        request.respond({
+          contentType: 'image/png',
+          body: imageBuffer
+        });
+      });
+      await page.evaluate(PREFIX => {
+        const img = document.createElement('img');
+        img.src = PREFIX + '/does-not-exist.png';
+        document.body.appendChild(img);
+        return new Promise(fulfill => img.onload = fulfill);
+      }, server.PREFIX);
+      const img = await page.$('img');
+      expect(await img.screenshot()).toBeGolden('mock-binary-response.png');
+    });
+  });
+
+  describe('Page.Events.Request', function() {
+    it('should fire', async({page, server}) => {
+      const requests = [];
+      page.on('request', request => requests.push(request));
+      await page.goto(server.EMPTY_PAGE);
+      await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
+      expect(requests.length).toBe(2);
+      expect(requests[0].url()).toBe(server.EMPTY_PAGE);
+      expect(requests[0].frame() === page.mainFrame()).toBe(true);
+      expect(requests[0].frame().url()).toBe(server.EMPTY_PAGE);
+      expect(requests[1].url()).toBe(server.EMPTY_PAGE);
+      expect(requests[1].frame() === page.frames()[1]).toBe(true);
+      expect(requests[1].frame().url()).toBe(server.EMPTY_PAGE);
+    });
+  });
+
+  describe('Page.setExtraHTTPHeaders', function() {
+    it('should work', async({page, server}) => {
+      await page.setExtraHTTPHeaders({
+        foo: 'bar'
+      });
+      const [request] = await Promise.all([
+        server.waitForRequest('/empty.html'),
+        page.goto(server.EMPTY_PAGE),
+      ]);
+      expect(request.headers['foo']).toBe('bar');
+    });
+    it('should throw for non-string header values', async({page, server}) => {
+      let error = null;
+      try {
+        await page.setExtraHTTPHeaders({ 'foo': 1 });
+      } catch (e) {
+        error = e;
+      }
+      expect(error.message).toBe('Expected value of header "foo" to be String, but "number" is found.');
+    });
+  });
+
+  describe('Page.authenticate', function() {
+    it('should work', async({page, server}) => {
+      server.setAuth('/empty.html', 'user', 'pass');
+      let response = await page.goto(server.EMPTY_PAGE);
+      expect(response.status()).toBe(401);
+      await page.authenticate({
+        username: 'user',
+        password: 'pass'
+      });
+      response = await page.reload();
+      expect(response.status()).toBe(200);
+    });
+    it('should fail if wrong credentials', async({page, server}) => {
+      // Use unique user/password since Chrome caches credentials per origin.
+      server.setAuth('/empty.html', 'user2', 'pass2');
+      await page.authenticate({
+        username: 'foo',
+        password: 'bar'
+      });
+      const response = await page.goto(server.EMPTY_PAGE);
+      expect(response.status()).toBe(401);
+    });
+    it('should allow disable authentication', async({page, server}) => {
+      // Use unique user/password since Chrome caches credentials per origin.
+      server.setAuth('/empty.html', 'user3', 'pass3');
+      await page.authenticate({
+        username: 'user3',
+        password: 'pass3'
+      });
+      let response = await page.goto(server.EMPTY_PAGE);
+      expect(response.status()).toBe(200);
+      await page.authenticate(null);
+      // Navigate to a different origin to bust Chrome's credential caching.
+      response = await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
+      expect(response.status()).toBe(401);
+    });
+  });
+
 };
diff --git a/test/page.spec.js b/test/page.spec.js
index 111e47dafcc..281723c6377 100644
--- a/test/page.spec.js
+++ b/test/page.spec.js
@@ -779,305 +779,6 @@ module.exports.addTests = function({testRunner, expect, puppeteer, DeviceDescrip
     });
   });
 
-  describe('Page.setRequestInterception', function() {
-    it('should intercept', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        expect(request.url()).toContain('empty.html');
-        expect(request.headers()['user-agent']).toBeTruthy();
-        expect(request.method()).toBe('GET');
-        expect(request.postData()).toBe(undefined);
-        expect(request.resourceType()).toBe('document');
-        expect(request.frame() === page.mainFrame()).toBe(true);
-        expect(request.frame().url()).toBe('about:blank');
-        request.continue();
-      });
-      const response = await page.goto(server.EMPTY_PAGE);
-      expect(response.ok()).toBe(true);
-    });
-    it('should stop intercepting', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.once('request', request => request.continue());
-      await page.goto(server.EMPTY_PAGE);
-      await page.setRequestInterception(false);
-      await page.goto(server.EMPTY_PAGE);
-    });
-    it('should show custom HTTP headers', async({page, server}) => {
-      await page.setExtraHTTPHeaders({
-        foo: 'bar'
-      });
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        expect(request.headers()['foo']).toBe('bar');
-        request.continue();
-      });
-      const response = await page.goto(server.EMPTY_PAGE);
-      expect(response.ok()).toBe(true);
-    });
-    it('should works with customizing referer headers', async({page, server}) => {
-      await page.setExtraHTTPHeaders({ 'referer': server.EMPTY_PAGE });
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        expect(request.headers()['referer']).toBe(server.EMPTY_PAGE);
-        request.continue();
-      });
-      const response = await page.goto(server.EMPTY_PAGE);
-      expect(response.ok()).toBe(true);
-    });
-    it('should be abortable', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        if (request.url().endsWith('.css'))
-          request.abort();
-        else
-          request.continue();
-      });
-      let failedRequests = 0;
-      page.on('requestfailed', event => ++failedRequests);
-      const response = await page.goto(server.PREFIX + '/one-style.html');
-      expect(response.ok()).toBe(true);
-      expect(response.request().failure()).toBe(null);
-      expect(failedRequests).toBe(1);
-    });
-    it('should be abortable with custom error codes', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        request.abort('internetdisconnected');
-      });
-      let failedRequest = null;
-      page.on('requestfailed', request => failedRequest = request);
-      await page.goto(server.EMPTY_PAGE).catch(e => {});
-      expect(failedRequest).toBeTruthy();
-      expect(failedRequest.failure().errorText).toBe('net::ERR_INTERNET_DISCONNECTED');
-    });
-    it('should send referer', async({page, server}) => {
-      await page.setExtraHTTPHeaders({
-        referer: 'http://google.com/'
-      });
-      await page.setRequestInterception(true);
-      page.on('request', request => request.continue());
-      const [request] = await Promise.all([
-        server.waitForRequest('/grid.html'),
-        page.goto(server.PREFIX + '/grid.html'),
-      ]);
-      expect(request.headers['referer']).toBe('http://google.com/');
-    });
-    it('should amend HTTP headers', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        const headers = Object.assign({}, request.headers());
-        headers['FOO'] = 'bar';
-        request.continue({ headers });
-      });
-      await page.goto(server.EMPTY_PAGE);
-      const [request] = await Promise.all([
-        server.waitForRequest('/sleep.zzz'),
-        page.evaluate(() => fetch('/sleep.zzz'))
-      ]);
-      expect(request.headers['foo']).toBe('bar');
-    });
-    it('should fail navigation when aborting main resource', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => request.abort());
-      let error = null;
-      await page.goto(server.EMPTY_PAGE).catch(e => error = e);
-      expect(error).toBeTruthy();
-      expect(error.message).toContain('net::ERR_FAILED');
-    });
-    it('should work with redirects', async({page, server}) => {
-      await page.setRequestInterception(true);
-      const requests = [];
-      page.on('request', request => {
-        request.continue();
-        requests.push(request);
-      });
-      server.setRedirect('/non-existing-page.html', '/non-existing-page-2.html');
-      server.setRedirect('/non-existing-page-2.html', '/non-existing-page-3.html');
-      server.setRedirect('/non-existing-page-3.html', '/non-existing-page-4.html');
-      server.setRedirect('/non-existing-page-4.html', '/empty.html');
-      const response = await page.goto(server.PREFIX + '/non-existing-page.html');
-      expect(response.status()).toBe(200);
-      expect(response.url()).toContain('empty.html');
-      expect(requests.length).toBe(5);
-      expect(requests[2].resourceType()).toBe('document');
-      // Check redirect chain
-      const redirectChain = response.request().redirectChain();
-      expect(redirectChain.length).toBe(4);
-      expect(redirectChain[0].url()).toContain('/non-existing-page.html');
-      expect(redirectChain[2].url()).toContain('/non-existing-page-3.html');
-      for (let i = 0; i < redirectChain.length; ++i) {
-        const request = redirectChain[i];
-        expect(request.redirectChain().indexOf(request)).toBe(i);
-      }
-    });
-    it('should be able to abort redirects', async({page, server}) => {
-      await page.setRequestInterception(true);
-      server.setRedirect('/non-existing.json', '/non-existing-2.json');
-      server.setRedirect('/non-existing-2.json', '/simple.html');
-      page.on('request', request => {
-        if (request.url().includes('non-existing-2'))
-          request.abort();
-        else
-          request.continue();
-      });
-      await page.goto(server.EMPTY_PAGE);
-      const result = await page.evaluate(async() => {
-        try {
-          await fetch('/non-existing.json');
-        } catch (e) {
-          return e.message;
-        }
-      });
-      expect(result).toContain('Failed to fetch');
-    });
-    it('should work with equal requests', async({page, server}) => {
-      await page.goto(server.EMPTY_PAGE);
-      let responseCount = 1;
-      server.setRoute('/zzz', (req, res) => res.end((responseCount++) * 11 + ''));
-      await page.setRequestInterception(true);
-
-      let spinner = false;
-      // Cancel 2nd request.
-      page.on('request', request => {
-        spinner ? request.abort() : request.continue();
-        spinner = !spinner;
-      });
-      const results = await page.evaluate(() => Promise.all([
-        fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
-        fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
-        fetch('/zzz').then(response => response.text()).catch(e => 'FAILED'),
-      ]));
-      expect(results).toEqual(['11', 'FAILED', '22']);
-    });
-    it('should navigate to dataURL and fire dataURL requests', async({page, server}) => {
-      await page.setRequestInterception(true);
-      const requests = [];
-      page.on('request', request => {
-        requests.push(request);
-        request.continue();
-      });
-      const dataURL = 'data:text/html,<div>yo</div>';
-      const response = await page.goto(dataURL);
-      expect(response.status()).toBe(200);
-      expect(requests.length).toBe(1);
-      expect(requests[0].url()).toBe(dataURL);
-    });
-    it('should abort data server', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        request.abort();
-      });
-      let error = null;
-      await page.goto('data:text/html,No way!').catch(err => error = err);
-      expect(error.message).toContain('net::ERR_FAILED');
-    });
-    it('should navigate to URL with hash and and fire requests without hash', async({page, server}) => {
-      await page.setRequestInterception(true);
-      const requests = [];
-      page.on('request', request => {
-        requests.push(request);
-        request.continue();
-      });
-      const response = await page.goto(server.EMPTY_PAGE + '#hash');
-      expect(response.status()).toBe(200);
-      expect(response.url()).toBe(server.EMPTY_PAGE);
-      expect(requests.length).toBe(1);
-      expect(requests[0].url()).toBe(server.EMPTY_PAGE);
-    });
-    it('should work with encoded server', async({page, server}) => {
-      // The requestWillBeSent will report encoded URL, whereas interception will
-      // report URL as-is. @see crbug.com/759388
-      await page.setRequestInterception(true);
-      page.on('request', request => request.continue());
-      const response = await page.goto(server.PREFIX + '/some nonexisting page');
-      expect(response.status()).toBe(404);
-    });
-    it('should work with badly encoded server', async({page, server}) => {
-      await page.setRequestInterception(true);
-      server.setRoute('/malformed?rnd=%911', (req, res) => res.end());
-      page.on('request', request => request.continue());
-      const response = await page.goto(server.PREFIX + '/malformed?rnd=%911');
-      expect(response.status()).toBe(200);
-    });
-    it('should work with encoded server - 2', async({page, server}) => {
-      // The requestWillBeSent will report URL as-is, whereas interception will
-      // report encoded URL for stylesheet. @see crbug.com/759388
-      await page.setRequestInterception(true);
-      const requests = [];
-      page.on('request', request => {
-        request.continue();
-        requests.push(request);
-      });
-      const response = await page.goto(`data:text/html,<link rel="stylesheet" href="${server.PREFIX}/fonts?helvetica|arial"/>`);
-      expect(response.status()).toBe(200);
-      expect(requests.length).toBe(2);
-      expect(requests[1].response().status()).toBe(404);
-    });
-    it('should not throw "Invalid Interception Id" if the request was cancelled', async({page, server}) => {
-      await page.setContent('<iframe></iframe>');
-      await page.setRequestInterception(true);
-      let request = null;
-      page.on('request', async r => request = r);
-      page.$eval('iframe', (frame, url) => frame.src = url, server.EMPTY_PAGE),
-      // Wait for request interception.
-      await waitEvent(page, 'request');
-      // Delete frame to cause request to be canceled.
-      await page.$eval('iframe', frame => frame.remove());
-      let error = null;
-      await request.continue().catch(e => error = e);
-      expect(error).toBe(null);
-    });
-    it('should throw if interception is not enabled', async({page, server}) => {
-      let error = null;
-      page.on('request', async request => {
-        try {
-          await request.continue();
-        } catch (e) {
-          error = e;
-        }
-      });
-      await page.goto(server.EMPTY_PAGE);
-      expect(error.message).toContain('Request Interception is not enabled');
-    });
-  });
-
-  describe('Request.respond', function() {
-    it('should work', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        request.respond({
-          status: 201,
-          headers: {
-            foo: 'bar'
-          },
-          body: 'Yo, page!'
-        });
-      });
-      const response = await page.goto(server.EMPTY_PAGE);
-      expect(response.status()).toBe(201);
-      expect(response.headers().foo).toBe('bar');
-      expect(await page.evaluate(() => document.body.textContent)).toBe('Yo, page!');
-    });
-    it('should allow mocking binary responses', async({page, server}) => {
-      await page.setRequestInterception(true);
-      page.on('request', request => {
-        const imageBuffer = fs.readFileSync(path.join(__dirname, 'assets', 'pptr.png'));
-        request.respond({
-          contentType: 'image/png',
-          body: imageBuffer
-        });
-      });
-      await page.evaluate(PREFIX => {
-        const img = document.createElement('img');
-        img.src = PREFIX + '/does-not-exist.png';
-        document.body.appendChild(img);
-        return new Promise(fulfill => img.onload = fulfill);
-      }, server.PREFIX);
-      const img = await page.$('img');
-      expect(await img.screenshot()).toBeGolden('mock-binary-response.png');
-    });
-  });
-
   describe('Page.Events.Dialog', function() {
     it('should fire', async({page, server}) => {
       page.on('dialog', dialog => {
@@ -1119,22 +820,6 @@ module.exports.addTests = function({testRunner, expect, puppeteer, DeviceDescrip
     });
   });
 
-  describe('Page.Events.Request', function() {
-    it('should fire', async({page, server}) => {
-      const requests = [];
-      page.on('request', request => requests.push(request));
-      await page.goto(server.EMPTY_PAGE);
-      await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
-      expect(requests.length).toBe(2);
-      expect(requests[0].url()).toBe(server.EMPTY_PAGE);
-      expect(requests[0].frame() === page.mainFrame()).toBe(true);
-      expect(requests[0].frame().url()).toBe(server.EMPTY_PAGE);
-      expect(requests[1].url()).toBe(server.EMPTY_PAGE);
-      expect(requests[1].frame() === page.frames()[1]).toBe(true);
-      expect(requests[1].frame().url()).toBe(server.EMPTY_PAGE);
-    });
-  });
-
   describe('Page.$eval', function() {
     it('should work', async({page, server}) => {
       await page.setContent('<section id="testAttribute">43543</section>');
@@ -1230,66 +915,6 @@ module.exports.addTests = function({testRunner, expect, puppeteer, DeviceDescrip
     });
   });
 
-  describe('Page.setExtraHTTPHeaders', function() {
-    it('should work', async({page, server}) => {
-      await page.setExtraHTTPHeaders({
-        foo: 'bar'
-      });
-      const [request] = await Promise.all([
-        server.waitForRequest('/empty.html'),
-        page.goto(server.EMPTY_PAGE),
-      ]);
-      expect(request.headers['foo']).toBe('bar');
-    });
-    it('should throw for non-string header values', async({page, server}) => {
-      let error = null;
-      try {
-        await page.setExtraHTTPHeaders({ 'foo': 1 });
-      } catch (e) {
-        error = e;
-      }
-      expect(error.message).toBe('Expected value of header "foo" to be String, but "number" is found.');
-    });
-  });
-
-  describe('Page.authenticate', function() {
-    it('should work', async({page, server}) => {
-      server.setAuth('/empty.html', 'user', 'pass');
-      let response = await page.goto(server.EMPTY_PAGE);
-      expect(response.status()).toBe(401);
-      await page.authenticate({
-        username: 'user',
-        password: 'pass'
-      });
-      response = await page.reload();
-      expect(response.status()).toBe(200);
-    });
-    it('should fail if wrong credentials', async({page, server}) => {
-      // Use unique user/password since Chrome caches credentials per origin.
-      server.setAuth('/empty.html', 'user2', 'pass2');
-      await page.authenticate({
-        username: 'foo',
-        password: 'bar'
-      });
-      const response = await page.goto(server.EMPTY_PAGE);
-      expect(response.status()).toBe(401);
-    });
-    it('should allow disable authentication', async({page, server}) => {
-      // Use unique user/password since Chrome caches credentials per origin.
-      server.setAuth('/empty.html', 'user3', 'pass3');
-      await page.authenticate({
-        username: 'user3',
-        password: 'pass3'
-      });
-      let response = await page.goto(server.EMPTY_PAGE);
-      expect(response.status()).toBe(200);
-      await page.authenticate(null);
-      // Navigate to a different origin to bust Chrome's credential caching.
-      response = await page.goto(server.CROSS_PROCESS_PREFIX + '/empty.html');
-      expect(response.status()).toBe(401);
-    });
-  });
-
   describe('Page.setContent', function() {
     const expectedOutput = '<html><head></head><body><div>hello</div></body></html>';
     it('should work', async({page, server}) => {