it("changes the subject subtitle", async () => {
    fetch_server_api.fetch_server_api = jest.fn().mockResolvedValue({ ok: true })
    await renderSubjectTitle()
    await userEvent.type(screen.getByLabelText(/Subject subtitle/), "{Delete}New subtitle{Enter}")
    expect(fetch_server_api.fetch_server_api).toHaveBeenLastCalledWith(