assert.js

var assert = require("TAP-winning/assert")()

assert.equal() ...

setTimeout(function () {
  assert.end()
}, 1000)

test.js

var test = require("TAP-winning/test")
var after = require("after")

// simplest test, no async
test('foo', function(assert) {
  assert.equal() ...
});

test('bar', function(assert, done) {

  setTimeout(done, 1000);
});

test('extra', function(assert, done) {
  done = after(2, done)
  setTimeout(done, 2000);
  setTimeout(done, 1000);
});