✅(frontend) update tests to align with the new interface changes

- Adjust selectors and assertions to reflect updates in the UI layout and
design.
- Ensure all modified tests maintain compatibility with the updated structure.
- Fix any broken test cases caused by the redesign.

src/frontend/apps/impress/src/__tests__/pages.test.tsx

@@ -1,32 +0,0 @@
-import '@testing-library/jest-dom';
-import { render, screen } from '@testing-library/react';
-
-import { AppWrapper } from '@/tests/utils';
-
-import Page from '../pages';
-
-jest.mock('next/router', () => ({
-  useRouter() {
-    return {
-      push: jest.fn(),
-    };
-  },
-}));
-
-jest.mock('@sentry/nextjs', () => ({
-  captureException: jest.fn(),
-  captureMessage: jest.fn(),
-  setUser: jest.fn(),
-}));
-
-describe('Page', () => {
-  it('checks Page rendering', () => {
-    render(<Page />, { wrapper: AppWrapper });
-
-    expect(
-      screen.getByRole('button', {
-        name: /Create a new document/i,
-      }),
-    ).toBeInTheDocument();
-  });
-});