message: karma conf updated
diff: module.exports = config => {
  config.set({
  logLevel: config.LOG_INFO,
  - port: 9876,
  colors: true,
  reporters: ["spec", "mocha"],
  specReporter: {
  @@ -13,11 +12,6 @@ module.exports = config => {
  showSpecTiming: true, // print the time elapsed for each spec
  failFast: true // test would finish with error when a first fail occurs.
  },
  - plugins: [
  - "karma-spec-reporter",
  - "karma-jasmine-diff-reporter",
  - "karma-mocha-reporter",
  - "karma-helpful-reporter"
  - ]
  + plugins: ["karma-spec-reporter", "karma-mocha-reporter"]
  });
  };
  