So siehts ganz gut aus !

node_modules/es5-ext/test/promise/#/finally/implement.js

@@ -0,0 +1,7 @@
+"use strict";
+
+var isImplemented = require("../../../../promise/#/finally/is-implemented");
+
+if (typeof Promise !== "function") global.Promise = require("plain-promise");
+
+module.exports = function (a) { a(isImplemented(), true); };