Fix ChatPage tests

app/soapbox/features/chats/components/chat-page/__tests__/chat-page.test.tsx

@@ -6,7 +6,7 @@ import { __stub } from 'soapbox/api';
 import { normalizeAccount } from 'soapbox/normalizers';
 import { ReducerAccount } from 'soapbox/reducers/accounts';
 
-import { render, screen } from '../../../../../jest/test-helpers';
+import { render, screen, waitFor } from '../../../../../jest/test-helpers';
 import ChatPage from '../chat-page';
 
 describe('<ChatPage />', () => {
@@ -48,9 +48,12 @@ describe('<ChatPage />', () => {
         await userEvent.click(screen.getByTestId('button'));
 
         expect(screen.getByTestId('chat-page')).toBeInTheDocument();
+
+        await waitFor(() => {
           expect(screen.getByTestId('toast')).toHaveTextContent('Chat Settings updated successfully');
         });
       });
+    });
 
     describe('when the API returns an error', () => {
       beforeEach(() => {
@@ -77,8 +80,11 @@ describe('<ChatPage />', () => {
       it('renders the Chats', async () => {
         render(<ChatPage />, undefined, store);
         await userEvent.click(screen.getByTestId('button'));
+
+        await waitFor(() => {
           expect(screen.getByTestId('toast')).toHaveTextContent('Chat Settings failed to update.');
         });
       });
     });
+  });
 });