text: import checkUserAvailableAPI from '../checkUserAvailableAPI';
  
  it('should return true when fetch with true response', async () => {
    global.fetch = jest
      .fn()
      .mockImplementation(() => Promise.resolve({ json: () => true }));
  
    const res = await checkUserAvailableAPI({
      accessToken: 'accessToken1',
      email: 'email1',
    });
    expect(global.fetch).toBeCalledWith('/api/users/available?email=email1', {
      headers: {
        Authorization: 'Bearer accessToken1',
        'Content-Type': 'application/json',
      },
      method: 'GET',
    });
    expect(res).toBe(true);
  });
  
  it('should return true when fetch with false response', async () => {
    global.fetch = jest
      .fn()
      .mockImplementation(() => Promise.resolve({ json: () => false }));
  
    const res = await checkUserAvailableAPI({
      accessToken: 'accessToken2',
      email: 'email2',
    });
    expect(global.fetch).toBeCalledWith('/api/users/available?email=email2', {
      headers: {
        Authorization: 'Bearer accessToken2',
        'Content-Type': 'application/json',
      },
      method: 'GET',
    });
    expect(res).toBe(false);
  });
  