using promises with Tape

index.js

var Promise = require( 'es6-promise' ).Promise;

function fn() {
    return 1337;
}

function promise() {
    return new Promise( function ( resolve, reject ) {
        setTimeout( function () {
            resolve( fn() );
        }, 1000 );
    } )
}

module.exports = {
    fn: fn,
    promise: promise
};

package.json

{
  "name": "",
  "version": "0.0.0",
  "main": "index.js",
  "scripts": {
    "test": "tape tests/*.js"
  },
  "dependencies": {
    "es6-promise": "^1.0.0",
    "tape": "^2.13.3"
  }
}

test.js

var test = require( 'tape' );
var testFn = require( '../' ).fn;
var testPromise = require( '../' ).promise;
var Promise = require('es6-promise').Promise;

test( 'promise test', function ( t ) {
    t.plan( 2 );

    t.ok( testFn() === 1337 );

    testPromise()
        .then( function ( answer ) {
            t.ok( answer === 1337 );
        } )
        .catch( t.fail );
} );