karma.conf.js

// Karma configuration file, see link for more information
// https://karma-runner.github.io/1.0/config/configuration-file.html
module.exports = function (config) {
  try {
    config.set({
      basePath: '',
      frameworks: ['jasmine'],
      plugins: [require('karma-jasmine'), require('karma-chrome-launcher')],
      client: {
        jasmine: {
          // you can add configuration options for Jasmine here
          // the possible options are listed at https://jasmine.github.io/api/edge/Configuration.html
          // for example, you can disable the random execution with `random: false`
          // or set a specific seed with `seed: 4321`
        },
        clearContext: false, // leave Jasmine Spec Runner output visible in browser
      },
      jasmineHtmlReporter: {
        suppressAll: true, // removes the duplicated traces
      },
      reporters: ['progress'],
      port: 9876,
      colors: true,
      logLevel: config.LOG_INFO,
      autoWatch: true,
      browsers: ['ChromeHeadless'],
      singleRun: true,
      restartOnFileChange: true,
    });
  } catch (err) {
    console.log(err);
    throw err;
  }
};