Increase timeout for intermittently failing test

app/soapbox/features/ui/__tests__/index.test.tsx

@@ -48,6 +48,8 @@ describe('<UI />', () => {
 
         await waitFor(() => {
           expect(screen.getByTestId('cta-banner')).toHaveTextContent('Sign up now to discuss');
+        }, {
+          timeout: 2000,
         });
       });
     });