How to use the testacular.server function in testacular

module.exports = function(grunt) {
  var path, runner, server, _;
  server = require('testacular').server;
  runner = require('testacular').runner;
  path = require('path');
  _ = grunt.utils._;
  grunt.registerMultiTask('testacularServer', 'starts a testacular server', function() {
    var done;
    grunt.log.writeln("Options: " + (JSON.stringify(this.data)));
    done = this.async();
    return server.start(this.data, function(exitCode) {
      if (exitCode > 0) {
        return grunt.fail(exitCode);
      }
    });
  });
  return grunt.registerMultiTask('testacularRun', 'starts a testacular server', function() {
    var done;
    done = this.async();

module.exports = function(grunt) {
  var server;
  server = require('testacular').server;
  return grunt.registerMultiTask('testacularServer', 'Starts up a testacular server.', function() {
    var done, _base, _base1, _ref, _ref1;
    done = this.async();
    if ((_ref = (_base = this.data).options) == null) {
      _base.options = {};
    }
    if ((_ref1 = (_base1 = this.data.options).keepalive) == null) {
      _base1.keepalive = false;
    }
    if (this.data.configFile) {
      this.data.configFile = grunt.template.process(this.data.configFile);
    }
    server.start(this.data, function(exitCode) {
      if (exitCode > 0) {
        return done(false);
      }

grunt.registerTask('server', 'start testacular server', function () {
    //Mark the task as async but never call done, so the server stays up
    var done = this.async();
    testacular.server.start({ configFile: 'test/test-config.js'});
  });

grunt.registerTask('server', 'start testacular server', function () {
    //Mark the task as async but never call done, so the server stays up
    var done = this.async();
    testacular.server.start({ configFile: 'test/test-config.js'});
  });

grunt.registerTask('server', 'start testacular server', function () {
    //Mark the task as async but never call done, so the server stays up
    var done = this.async();
    testacular.server.start({ configFile: 'test/test-config.js'});
  });