diff -r 218abb8b1cad -r 6f572b6b6be3 client/src/__tests__/App.test.js
--- a/client/src/__tests__/App.test.js	Tue May 23 17:47:59 2017 +0200
+++ b/client/src/__tests__/App.test.js	Wed May 31 18:08:22 2017 +0200
@@ -5,6 +5,14 @@
 import App from '../App';
 import configureStore from '../store/configureStore';
 
+beforeAll(() => {
+  window.getSelection = () => {
+    return {
+      removeAllRanges: () => {}
+    };
+  };
+});
+
 const store = configureStore();
 
 it('renders without crashing', () => {