Create html if needed in server mode

karma.conf.js

 // Karma configuration
 // Generated on Mon Apr 20 2015 06:33:20 GMT-0700 (PDT)
 
 module.exports = function(config) {
   var configuration = {
 
     // base path that will be used to resolve all patterns (eg. files, exclude)
     basePath: '',
 
     // frameworks to use
@@ skipping 59 matching lines @@
       chrome_canary_harmony: {
         base: 'ChromeCanary',
         flags: ['--js-flags="--harmony-arrow-functions --harmony-classes --harmony-computed-property-names"']
       },
 
       chrome_travis: {
         base: 'Chrome',
         flags: ['--no-sandbox --js-flags="--harmony-arrow-functions --harmony-classes --harmony-computed-property-names"']
       },
     },
-    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'];
   }
 
   config.set(configuration);
 };