fix: import.

news-on-earth/src/test/SearchBox.test.tsx

@@ -1,6 +1,8 @@
 import React from 'react';
 import { render, fireEvent, screen } from '@testing-library/react';
 import SearchBox from '../views/SearchBox';
+import { describe, test, expect, jest, beforeEach } from "@jest/globals";
+import "@testing-library/jest-dom";
 
 describe('SearchBox', () => {
   const mockOnSearchChange = jest.fn();
@@ -14,7 +16,7 @@ describe('SearchBox', () => {
   test('renders the search box with the correct initial value', () => {
     const inputElement = screen.getByPlaceholderText('日本語でキーワードを入力');
     expect(inputElement).toBeInTheDocument();
-    expect(inputElement.value).toBe(searchTerm);
+    expect((inputElement as HTMLInputElement).value).toBe(searchTerm);
   });
 
   test('calls onInputChange when text is input', () => {

news-on-earth/src/test/SimpleComponent.test.tsx

@@ -1,6 +1,8 @@
 import React from 'react';
 import { render, screen } from '@testing-library/react';
 import SimpleComponent from '../components/SimpleComponent';
+import { describe, test, expect } from "@jest/globals";
+import "@testing-library/jest-dom";
 
 describe('SimpleComponent', () => {
   test('renders the correct content', () => {