tests: Use storyshots for making snapshot tests of storybook entries

Author: fritz-c

Diff for: __mocks__/react-dnd-html5-backend.js

@@ -0,0 +1,4 @@
+/* eslint-disable import/no-extraneous-dependencies */
+import TestBackend from 'react-dnd-test-backend';
+
+module.exports = TestBackend;