style: fix dprint formatting — remove extra blank lines in tests

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: farhan

src/course-unit/add-component/AddComponent.test.tsx

@@ -359,7 +359,6 @@ describe('<AddComponent />', () => {
     }, expect.any(Function));
   });
 
-
   it('verifies "Text" component selection in modal', async () => {
     const user = userEvent.setup();
     const { getByRole, getByText } = renderComponent();

src/course-unit/breadcrumbs/Breadcrumbs.test.tsx

@@ -150,5 +150,4 @@ describe('<Breadcrumbs />', () => {
     await user.click(dropdownItem);
     expect(dropdownItem).toHaveAttribute('href', url);
   });
-
 });