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

Related to #21422.

PR Close #21641

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 +17,14 @@ const printer = require('lighthouse/lighthouse-cli/printer');
 const config = require('lighthouse/lighthouse-core/config/default.js');
 
 // Constants
+const CHROME_LAUNCH_OPTS = {};
 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
@@ -71,7 +74,7 @@ function ignoreHttpsAudits(config) {
 }
 
 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)).

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']
     }
   },