Enable Chrome Canary tests on Travis

karma.conf.js

 // Karma configuration
 // Generated on Mon Apr 20 2015 06:33:20 GMT-0700 (PDT)
 
 module.exports = function(config) {
+  var harmony_flags = '--js-flags="' + [
+    '--harmony-arrow-functions',
+    '--harmony-classes',
+    '--harmony-computed-property-names',
+    '--harmony-spreadcalls',
+  ].join(' ') + '"';
+
   var configuration = {
 
     // base path that will be used to resolve all patterns (eg. files, exclude)
     basePath: '',
 
     // frameworks to use
     // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
     frameworks: ['mocha', 'requirejs', 'chai'],
 
     // list of files / patterns to load in the browser
     files: [
-      'test-main.js',
-      'lib/runtime/dart_runtime.js',
-      'lib/runtime/dart/core.js',
-      'lib/runtime/dart/collection.js',
-      'lib/runtime/dart/math.js',
+      'lib/runtime/dart_*.js',
+      'lib/runtime/_*.js',
+      'lib/runtime/dart/*.js',
       // {pattern: 'test/browser/*.js', included: false}
       'test/browser/*.js',
+      'test-main.js',
     ],
 
     // list of files to exclude
     exclude: [
     ],
 
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
     },
 
     client: {
       mocha: {
         ui: 'tdd'
-      }
+      },
     },
 
     // test results reporter to use
     // possible values: 'dots', 'progress'
     // available reporters: https://npmjs.org/browse/keyword/karma-reporter
     reporters: ['progress'],
 
     // web server port
     port: 9876,
 
     // enable / disable colors in the output (reporters and logs)
     colors: true,
 
     // level of logging
     // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
     logLevel: config.LOG_DEBUG,
 
     // enable / disable watching file and executing tests whenever any file changes
     autoWatch: true,
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
 
     // FIXME(vsm): Once harmony is on by default, we can simply add the following:
     //   browsers: ['Chrome'],
     // and remove the custom launchers.
     customLaunchers: {
       chrome_harmony: {
         base: 'Chrome',
-        flags: ['--js-flags="--harmony-arrow-functions --harmony-classes --harmony-computed-property-names"']
+        flags: [ harmony_flags ],
       },
 
       chrome_canary_harmony: {
         base: 'ChromeCanary',
-        flags: ['--js-flags="--harmony-arrow-functions --harmony-classes --harmony-computed-property-names"']
+        flags: [ harmony_flags ],
       },
 
-      chrome_travis: {
-        base: 'Chrome',
-        flags: ['--no-sandbox --js-flags="--harmony-arrow-functions --harmony-classes --harmony-computed-property-names"']
+      chrome_canary_travis: {
+        base: 'ChromeCanary',
+        flags: [ '--no-sandbox', harmony_flags ]
       },
     },
-    browsers: ['chrome_harmony'],
+    browsers: ['chrome_canary_harmony'],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits
     singleRun: false,
   };
 
   if (process.env.TRAVIS) {
-    configuration.browsers = ['chrome_travis'];
+    configuration.browsers = ['chrome_canary_travis'];
+    configuration.autoWatch = false;
   }
 
   config.set(configuration);
 };