Fix test waiting

Author: Ives van Hoorne

packages/app/integration-tests/tests/sandboxes.test.js

@@ -7,7 +7,7 @@ const SANDBOXES = [
   'svelte',
   'react-ts',
   { id: 'github/reactjs/redux/tree/master/examples/todomvc', threshold: 0.04 },
-  { id: 'jvlrl98xw3', threshold: 0.05 },
+  { id: 'jvlrl98xw3', threshold: 0.05, waitFor: 6000 },
   'vVoQVk78',
   'github/faceyspacey/redux-first-router-codesandbox/tree/master',
   'mZRjw05yp',
@@ -59,7 +59,7 @@ describe('sandboxes', () => {
           timeout: 60000,
         });
         await waitFunction;
-        await page.waitFor(2000);
+        await page.waitFor(sandbox.waitFor || 2000);
 
         const screenshot = await page.screenshot();