build(): minor change

tasks/build_task.js

@@ -10,7 +10,7 @@ module.exports = function(grunt) {
     'clean:release',
     'copy:public_to_gen',
     'typescript:build',
-    // 'karma:test',
+    'karma:test',
     'phantomjs',
     'css',
     'htmlmin:build',