Force SSR tests to mimic a Node environment

Author: markerikson

test/integration/server-rendering.spec.js

@@ -1,3 +1,10 @@
+/**
+ * @jest-environment node
+ * Set this so that `window` is undefined to correctly mimic a Node SSR scenario.
+ * That allows connectAdvanced to fall back to `useEffect` instead of `useLayoutEffect`
+ * to avoid ugly console warnings when used with SSR.
+ */
+
 /*eslint-disable react/prop-types*/
 
 import React from 'react'