copy property descriptors from window to global for jest (#2339)

setupJest.js

@@ -13,7 +13,6 @@ jest.setMock('node-fetch', fetch);
 global.fetch = require('jest-fetch-mock'); // eslint-disable-line import/no-extraneous-dependencies
 
 global.window = window;
-global.document = window.document;
 global.navigator = {
   userAgent: 'node.js',
 };
@@ -29,7 +28,25 @@ class IntersectionObserverPolyfill {
 /* eslint-enable  require-jsdoc, class-methods-use-this */
 
 global.IntersectionObserver = IntersectionObserverPolyfill;
-global.Image = window.Image;
+
+/**
+ * copy object property descriptors from `src` to `target`
+ * @param {*} src
+ * @param {*} target
+ */
+const copyProps = (src, target) => {
+  Object.defineProperties(target, {
+    ...Object.getOwnPropertyDescriptors(src),
+    ...Object.getOwnPropertyDescriptors(target),
+  });
+};
+
+/*
+  avoid 'ReferenceError: HTMLElement is not defined'
+  see https://github.com/airbnb/enzyme/blob/master/docs/guides/jsdom.md
+  for further information
+*/
+copyProps(window, global);
 
 Enzyme.configure({ adapter: new Adapter() });