diff --git a/test/app.js b/test/app.js
index edbfcfb..efb58ad 100644
--- a/test/app.js
+++ b/test/app.js
@@ -2,6 +2,7 @@
 
 const fs = require('fs');
 const jsdom = require('jsdom');
+const { JSDOM } = jsdom;
 const events = require('events');
 
 describe('browser application', () => {
@@ -50,17 +51,21 @@ describe('browser application', () => {
     const ansiup = fs.readFileSync('./web/assets/ansi_up.js', 'utf-8');
     const src = fs.readFileSync('./web/assets/app.js', 'utf-8');
 
-    jsdom.env({
-      html,
+    const dom = new JSDOM(html, {
       url: 'http://localhost?filter=line.*',
-      src: [ansiup, src],
-      onload: (domWindow) => {
-        window = domWindow;
-
-        initApp();
-        done();
-      },
+      runScripts: "dangerously"
     });
+    const domWindow = dom.window;
+    domWindow.onload = (domWindow) => {
+      window = domWindow;
+    }
+    domWindow.eval(ansiup);
+    domWindow.eval(src);
+    domWindow.onload = () => {
+      console.log("Loaded");
+      initApp();
+      done();
+    }
   });
 
   it('should show lines from socket.io', () => {