udpate to karma

spec/karma.conf.js

@@ -67,7 +67,7 @@ module.exports = function(config) {
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits
-    singleRun: false,
+    singleRun: true,
 
     // Concurrency level
     // how many browser should be started simultaneous