Function async

test/node-test.js:32–36

(cb)

		'the returned promise': {
			'should be resolved with the 2nd arg to the callback': function() {
				function async(cb) {
					setTimeout(function() {
						cb(null, sentinel);
					}, 100);
				}

				var promise = nodefn.apply(async);
				return promise.then(function(value) {