ci: use `sudo: false` on Travis (#21641)

Related to #21422.

PR Close #21641

.travis.yml

@@ -1,7 +1,5 @@
 language: node_js
-# Work-around for https://github.com/travis-ci/travis-ci/issues/8836#issuecomment-356362524.
-# (Restore `sudo: false` once that is resolved.)
-sudo: required
+sudo: false
 dist: trusty
 node_js:
   - '8.9.1'

aio/karma.conf.js

@@ -30,8 +30,14 @@ module.exports = function (config) {
     colors: true,
     logLevel: config.LOG_INFO,
     autoWatch: true,
-    browsers: ['Chrome'],
+    browsers: ['CustomChrome'],
     browserNoActivityTimeout: 60000,
-    singleRun: false
+    singleRun: false,
+    customLaunchers: {
+      CustomChrome: {
+        base: 'Chrome',
+        flags: process.env.TRAVIS && ['--no-sandbox']
+      }
+    }
   });
 };

aio/protractor.conf.js

@@ -12,7 +12,8 @@ exports.config = {
     browserName: 'chrome',
     // For Travis
     chromeOptions: {
-      binary: process.env.CHROME_BIN
+      binary: process.env.CHROME_BIN,
+      args: ['--no-sandbox']
     }
   },
   directConnect: true,

aio/scripts/test-pwa-score.js

@@ -17,11 +17,15 @@ const printer = require('lighthouse/lighthouse-cli/printer');
 const config = require('lighthouse/lighthouse-core/config/default.js');
 
 // Constants
+const CHROME_LAUNCH_OPTS = {};
+const SKIPPED_HTTPS_AUDITS = ['redirects-http'];
 const VIEWER_URL = 'https://googlechrome.github.io/lighthouse/viewer/';
 
-// Specify the path to Chrome on Travis
+
+// Specify the path and flags for Chrome on Travis
 if (process.env.TRAVIS) {
   process.env.LIGHTHOUSE_CHROMIUM_PATH = process.env.CHROME_BIN;
+  CHROME_LAUNCH_OPTS.chromeFlags = ['--no-sandbox'];
 }
 
 // Run
@@ -54,18 +58,8 @@ function evaluateScore(expectedScore, actualScore) {
   }
 }
 
-function skipHttpsAudits(config) {
-  const httpsAudits = [
-    'redirects-http'
-  ];
-
-  console.info(`Skipping HTTPS-related audits (${httpsAudits.join(', ')})...`);
-
-  config.settings.skipAudits = httpsAudits;
-}
-
 function launchChromeAndRunLighthouse(url, flags, config) {
-  return chromeLauncher.launch().then(chrome => {
+  return chromeLauncher.launch(CHROME_LAUNCH_OPTS).then(chrome => {
     flags.port = chrome.port;
     return lighthouse(url, flags, config).
       then(results => chrome.kill().then(() => results)).
@@ -108,3 +102,8 @@ function processResults(results, logFile) {
 
   return promise.then(() => Math.round(results.score));
 }
+
+function skipHttpsAudits(config) {
+  console.info(`Skipping HTTPS-related audits (${SKIPPED_HTTPS_AUDITS.join(', ')})...`);
+  config.settings.skipAudits = SKIPPED_HTTPS_AUDITS;
+}

aio/tools/examples/shared/boilerplate/cli/protractor.conf.js

@@ -12,7 +12,8 @@ exports.config = {
     'browserName': 'chrome',
     // For Travis CI only
     chromeOptions: {
-      binary: process.env.CHROME_BIN
+      binary: process.env.CHROME_BIN,
+      args: ['--no-sandbox']
     }
   },
   directConnect: true,

aio/tools/examples/shared/protractor.config.js

@@ -23,7 +23,8 @@ exports.config = {
     'browserName': 'chrome',
     // For Travis
     chromeOptions: {
-      binary: process.env.CHROME_BIN
+      binary: process.env.CHROME_BIN,
+      args: ['--no-sandbox']
     }
   },