code: function viewCoverage(done) {
    var coveragePort = 1999;
    var mylocalhost = (argv.host) ? argv.host : 'localhost';
  
    connect.server({
      port: coveragePort,
      root: 'build/coverage/karma_html',
      livereload: false
    });
    opens('http://' + mylocalhost + ':' + coveragePort);
    done();
  }
docs: View the code coverage report in the browser.