test: add coverage for restore archive summary

Author: dwong2708

src/library-authoring/create-library/CreateLibrary.test.tsx

@@ -435,7 +435,7 @@ describe('<CreateLibrary />', () => {
         sections: 8,
         subsections: 12,
         units: 20,
-        createdOnServer: '2025-01-01T10:00:00Z',
+        createdOnServer: 'test.com',
         createdAt: '2025-01-01T10:00:00Z',
         createdBy: {
           username: 'testuser',
@@ -478,7 +478,10 @@ describe('<CreateLibrary />', () => {
       await waitFor(() => {
         expect(screen.getByText('Test Archive Library')).toBeInTheDocument();
         expect(screen.getByText('TestOrg / test-archive')).toBeInTheDocument();
-        expect(screen.getByText(/Contains 15 Components/i)).toBeInTheDocument();
+        // Testing the archive details summary
+        expect(screen.getByText(/Contains 8 sections, 12 subsections, 20 units, 15 components/i)).toBeInTheDocument();
+        expect(screen.getByText(/Created on instance test.com/i)).toBeInTheDocument();
+        expect(screen.getByText(/by user test@example.com/i)).toBeInTheDocument();
       });
     });