chore(): change karma to run on Chrome

Author: jelbourn

karma.conf.js

@@ -39,7 +39,7 @@ module.exports = function(config) {
     colors: true,
     logLevel: config.LOG_INFO,
     autoWatch: true,
-    browsers: ['Firefox'],
+    browsers: ['Chrome'],
     singleRun: false
   });
 };